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Study sets matching "chem atomic structure periodicity"

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Study sets matching "chem atomic structure periodicity"

17 terms
Chemistry: atomic structure and periodicity
Relative charge/mass of an electron
Relative charge/mass of a neutron
Relative charge/mass of a proton
Atomic number
Mass: 0... Charge: -1
Mass: 1... Charge: 0
Mass: 1... Charge: +1
The number of protons in an atom of an element
Relative charge/mass of an electron
Mass: 0... Charge: -1
Relative charge/mass of a neutron
Mass: 1... Charge: 0
55 terms
Chemistry Atomic Structure and Periodicity
Protons (p⁺)
Electrons (e⁻)
Neutrons (n⁰)
Where is the mass number located on an…
located in the nucleus... charge: +1 ... size: 1
located in the electron cloud... charge: -1... size: 0
located in the nucleus... charge: 0... size: 1
in front and above the element (ex: ²H)
Protons (p⁺)
located in the nucleus... charge: +1 ... size: 1
Electrons (e⁻)
located in the electron cloud... charge: -1... size: 0
54 terms
Chemistry Atomic Structure and Periodicity
Protons (p⁺)
Electrons (e⁻)
Neutrons (n⁰)
Where is the mass number located on an…
located in the nucleus... charge: +1 ... size: 1
located in the electron cloud... charge: -1... size: 0
located in the nucleus... charge: 0... size: 1
in front and above the element (ex: ²H)
Protons (p⁺)
located in the nucleus... charge: +1 ... size: 1
Electrons (e⁻)
located in the electron cloud... charge: -1... size: 0
42 terms
Chemistry Periodicity and Atomic Structure
An atom is electrically neutral becaus…
A nuclear particle that has about the…
The nucleus of an atom has all of the…
The mass of a neutron is... a. about the…
c. the numbers of protons and electrons are equal.
b. neutron
c. contains nearly all of the atom's mass
a. about the same as that of a proton.
An atom is electrically neutral becaus…
c. the numbers of protons and electrons are equal.
A nuclear particle that has about the…
b. neutron
23 terms
Chemistry atomic structure and periodicity
what subatomic particle is the smallest?
what 2 particles contain most of the a…
which subatomic particle identifies th…
which particle cannot be changed for a…
electrons
protons and neutrons
proton
proton
what subatomic particle is the smallest?
electrons
what 2 particles contain most of the a…
protons and neutrons
chemistry Unit 3 atomic structure and periodicity
chemical symbols
periodic table
period
group
chemical symbols are the letters that allow us to shorten an…
the table that organizes elements into groups and families th…
the rows on the periodic table
the columns on the periodic table
chemical symbols
chemical symbols are the letters that allow us to shorten an…
periodic table
the table that organizes elements into groups and families th…
13 terms
Chemistry definitions (Atomic structure and Periodicity)
Absolute temperature
Aqua ions
Atomic number
Atomization
Temperature in Kelvin. Proportional to the average kinetic en…
A complex compound with water molecules as ligands.
The number of protons in a nucleus.
Converting a compound into gaseous atoms.
Absolute temperature
Temperature in Kelvin. Proportional to the average kinetic en…
Aqua ions
A complex compound with water molecules as ligands.
27 terms
Chemistry definitions- Atomic structure and periodicity.
Atomic Orbital
Atomic (Proton) Number
Electron Configuration
Electron Shielding
A region within an atom that can hold up to two electrons, wi…
The number of protons in the nucleus of an atom.
The arrangement of electrons in an atom
The repulsion between electrons in different inner shells. Sh…
Atomic Orbital
A region within an atom that can hold up to two electrons, wi…
Atomic (Proton) Number
The number of protons in the nucleus of an atom.
48 terms
Chemistry: Atomic Structure and The Periodic Table
Law of Conservation of Mass
Atomic Mass Unit
atomic number
average atomic mass
Matter is neither created nor destroyed
A unit of mass that describes the mass of an atom or molecule…
Number of protons in an atom
weighted average of the atomic masses for the isotopes of an…
Law of Conservation of Mass
Matter is neither created nor destroyed
Atomic Mass Unit
A unit of mass that describes the mass of an atom or molecule…
76 terms
AS Chemistry - Atomic Structure and Periodicity
How much of the total size of the atom…
What do neutrons do?
What are the chemical and physical pro…
What is D2O?
1%
Prevent the positive protons repelling each other inside the…
1. The chemical properties, reactivity etc, will be identical…
'Heavy water'. D (deuterium) is an isotope of hydrogen. It ha…
How much of the total size of the atom…
1%
What do neutrons do?
Prevent the positive protons repelling each other inside the…
38 terms
AP Chemistry- Atomic Structure and Periodicity
wavelength
frequency value
high frequency means what for the ener…
relationship between wavelength and fr…
lambda
v
low energy
inverse
wavelength
lambda
frequency value
v
34 terms
AS Chemistry - Atomic Structure & Periodicity
Atomic orbital
atomic (proton) number
electron configuration
electron shielding
A region within an atom that can hold up to two electrons, wi…
The number of protons in the nucleus of an atom.
The arrangement of electrons in an atom.
The repulsion between electrons in different inner shells. Sh…
Atomic orbital
A region within an atom that can hold up to two electrons, wi…
atomic (proton) number
The number of protons in the nucleus of an atom.
41 terms
AP Chemistry: Atomic Structure and Periodicity
electromagnetic spectrum
longest electromagnetic wavelength
shortest electromagnetic wavelength
Maxwell
radio, micro, infrared radiation, visible light, ultraviolet,…
radio
gamma
electric/magnetic fields are the same, can be described as os…
electromagnetic spectrum
radio, micro, infrared radiation, visible light, ultraviolet,…
longest electromagnetic wavelength
radio
27 terms
General Chemistry- Atomic Structure and Periodicity
Electromagnetic Spectrum Order
Visible Light Order
Patterns of the Electromagnetic Spectr…
Electromagnetic Spectrum Order in number
Radio, microwaves, infared, visible, ultraviolet, xray, gamma
Red, Orange, Yellow, Green, Blue, Violet... ROY G BV
right to left=... wavelength: long -> short... Frequency and Energ…
radio (>10^9)... micro (10^9-10^6)... infrared (10^6-700) ... visible…
Electromagnetic Spectrum Order
Radio, microwaves, infared, visible, ultraviolet, xray, gamma
Visible Light Order
Red, Orange, Yellow, Green, Blue, Violet... ROY G BV
19 terms
Chemistry Atomic Structure and The Periodic Table -
Atomic Mass Unit
Atomic Number
atomic mass
nucleus
A unit of mass that describes the mass of an atom or molecule…
Number of protons in an atom
weighted average of the atomic masses for the isotopes of an…
the positively charged dense center of an atom
Atomic Mass Unit
A unit of mass that describes the mass of an atom or molecule…
Atomic Number
Number of protons in an atom
30 terms
chemistry - atomic structure and periodic table
alkali metals
alkaline earth metals
transition metals
other metals
Group 1, 1 electron in outer level, very reactive, soft, silv…
Group 2, 2 electrons in outer energy level, reactive,
groups 3-12,
groups 13-15 - these metals are solid, high density, and opaque
alkali metals
Group 1, 1 electron in outer level, very reactive, soft, silv…
alkaline earth metals
Group 2, 2 electrons in outer energy level, reactive,
19 terms
Chemistry Atomic Structure and The Periodic Table -
Atomic Mass Unit
Atomic Number
atomic mass
nucleus
A unit of mass that describes the mass of an atom or molecule…
Number of protons in an atom
weighted average of the atomic masses for the isotopes of an…
the positively charged dense center of an atom
Atomic Mass Unit
A unit of mass that describes the mass of an atom or molecule…
Atomic Number
Number of protons in an atom
11 terms
AP Chemistry: Atomic Structure & Periodicity
Accuracy
Precision
Democritus
Plato and Aristotle
How close a measred value is to the true value of a quantity
How close your measures are to each other. Think consistency
Between 460 and 370 B.C. A Greek philosopher who first propos…
Philosophers who opposed Democritus's ideas, believing that m…
Accuracy
How close a measred value is to the true value of a quantity
Precision
How close your measures are to each other. Think consistency
15 terms
Atomic Structure & The Periodic Table (Chemistry)
Atomic mass
Atomic number
Atom
Boiling point
Number of protons and neutrons
The number of protons in the nucleus of an atom
Smallest particle of an element
The temperature at which a liquid changes to a gas
Atomic mass
Number of protons and neutrons
Atomic number
The number of protons in the nucleus of an atom
44 terms
Chemistry - Unit 2 (Atomic Structure and Periodicity)
Isotopes
Isotopic notation
Example problem: Calculate p, n, and e…
Review problem: Silicon has three natu…
Atoms of an element that have different masses (from differin…
X = chemical symbol... A = mass (protons + neutrons)... Z = atomic…
Answers:... 1. p=18 n=22 e=18... 2. p=15 n=16 e=15... 3. p=29 n=34 e=2…
Answer: 28.09 amu... (27.9769)(.9221) + (28.9765)(.0469) + (29.9…
Isotopes
Atoms of an element that have different masses (from differin…
Isotopic notation
X = chemical symbol... A = mass (protons + neutrons)... Z = atomic…
44 terms
Chemistry- atomic structure and the periodic table
atomic number
atomic mass
why is there no charge on an atom
working out no. of neutrons
the number of protons in an atom
the average value that takes into account the abundance of is…
atoms contain the *same number of protons and electrons*
atomic mass − atomic number
atomic number
the number of protons in an atom
atomic mass
the average value that takes into account the abundance of is…
10 terms
AP Chemistry: Atomic Structure and Periodicity
Ground State
Frequency
Aufbau
Ionization Energy
lowest possible energy
number of wave cycles per second
to build up
energy needed to move an electron
Ground State
lowest possible energy
Frequency
number of wave cycles per second
17 terms
AP Chemistry: Atomic Structure and Periodicity
λ
v
all EM radiation travels at ____ in a…
formula for the speed of light
wavelength
frequency
the speed of light; vacuum
λv = c
λ
wavelength
v
frequency
30 terms
Chemistry: Atomic Structure & Periodic Trends
Bohr
Rutherford
Democritus
JJ Thomson
particles orbit in a circle like planets,
alpha particles=helium nuclei, disproved Thomson's theory
Atomic Theory = building blocks of matter that can not be bro…
plum pudding model, discovered electrons
Bohr
particles orbit in a circle like planets,
Rutherford
alpha particles=helium nuclei, disproved Thomson's theory
32 terms
Chemistry Atomic Structure and Periodicity Review
Proton: Location and charge
Electron: Location and Charge
Neutron: Location and Charge
Which Subatomic particle is the smalle…
Nucleus and positive
Electron Cloud and Negative
Nucleus and Zero
Electrons
Proton: Location and charge
Nucleus and positive
Electron: Location and Charge
Electron Cloud and Negative
39 terms
chemistry atomic structure and periodic table
who is Dalton
Dalton's atomic theory (4)
Atom
Electron
father of modern day chemistry
1)All elements are composed of tiny indivisible particles cal…
the smallest particle of an element that retains the properti…
Negatively charged subatomic particle. They have a -1 charge.…
who is Dalton
father of modern day chemistry
Dalton's atomic theory (4)
1)All elements are composed of tiny indivisible particles cal…
9 terms
Chemistry Periodic Table & Atomic Structure
pure substances
elements
compounds
atom
elements and compounds
on type of atom
two or more different types of atom chemically bonded togethe…
the smallest unit of matter that still retains the properties…
pure substances
elements and compounds
elements
on type of atom
9 terms
Chemistry: The Periodic Table and Atomic Structure
What are the vertical columns on the p…
What does the group number tell us abo…
What happens when group one elements r…
What are group 0 elements called and w…
They are called groups
It says how many electrons the atom has on its outer shell
Group one elements can extremely reacted to water and oxygen.…
Nobel gases. They are un-reactive because they have a full ou…
What are the vertical columns on the p…
They are called groups
What does the group number tell us abo…
It says how many electrons the atom has on its outer shell
66 terms
Chemistry: Atomic Structure and The Periodic Table
democritus
list the 4 aspects of dalton's atomic…
define an atom
j.j thomson
greek philosopher that first proposed that matter is composed…
1. all elements are composed of tiny, indivisible particles c…
the smallest particle of an element that retains the property…
used a cathode ray to discover negatively charged particles c…
democritus
greek philosopher that first proposed that matter is composed…
list the 4 aspects of dalton's atomic…
1. all elements are composed of tiny, indivisible particles c…
21 terms
Chemistry : Atomic Structure And The Periodic Table
Atomic number
Atoms
Electronic configuration
Electrons
The number of protons in an element
The smallest part of an element that can take part in nuclear…
The patterns of electrons in their shells
The sub-atomic particles with a negative charge that orbit th…
Atomic number
The number of protons in an element
Atoms
The smallest part of an element that can take part in nuclear…
15 terms
Chemistry - Atomic Structure - Groups + Periods
Acid rain
Acidic
Alkali
Atom
Rain that contains dissolved acidic gases such as nitrogen ox…
Having a pH less than 7.
A base which is soluble in water.
All elements are made of atoms. An atom consists of a nucleus…
Acid rain
Rain that contains dissolved acidic gases such as nitrogen ox…
Acidic
Having a pH less than 7.
45 terms
Chemistry - atomic structure and periodic table
1
0.005
1
Positive charge
What is the relative mass of a proton?
What is the relative mass of an electron?
What is the relative mass of a neutron?
What charge does a proton have?
1
What is the relative mass of a proton?
0.005
What is the relative mass of an electron?
87 terms
Chemistry- the periodic table and atomic structure
Element
Mixture
Substances in air
Substances in sea water
A subtance containing only one kind of atom
A system made of two or more substances which are chemically…
Nitrogen, oxygen, carbon dioxide, argon, water vapour
Water, chloride, sulphate, calcium, potassium, sodium, minor…
Element
A subtance containing only one kind of atom
Mixture
A system made of two or more substances which are chemically…
15 terms
Chemistry Atoms and Atomic Structure
Atom
Subatomic Particles
Proton
Atomic Number
The smallest unit of matter in any element that keeps it's id…
1. Particles that are smaller than the atom. 2. Usually refer…
1. A positively (+) charged subatomic particle located in the…
A unique number for each element on the periodic table that i…
Atom
The smallest unit of matter in any element that keeps it's id…
Subatomic Particles
1. Particles that are smaller than the atom. 2. Usually refer…
25 terms
ATS Chemistry: Atomic Structure and the Periodic Table
nucleus
mass of a proton or neutron
mass on an electron
charge on a proton
contains protons and neutrons
1
less than 1 ~0
+1
nucleus
contains protons and neutrons
mass of a proton or neutron
1
11 terms
Chemistry: atomic structure and periodic table
What is an element?
What does the nucleus contain.
What is an electron.
What is the overall charge of the atom.
Something that only contains 1 type of atom.
Contain protons and neutrons. ... Protons positively charged. ... N…
They move around the nucleus. ... -negatively charges ... - tiny bu…
It has no overall charge.
What is an element?
Something that only contains 1 type of atom.
What does the nucleus contain.
Contain protons and neutrons. ... Protons positively charged. ... N…
16 terms
Chemistry - Atomic Structure and the Periodic Table
Sub-atomic particles
Atomic Number
Mass Number
Group Number
protons: found in the nucleus... neutrons: found in the nucleus…
The number of protons and/or electrons contained in an atom (…
Number of protons... + ... Number of neutrons
Number of valence electrons.
Sub-atomic particles
protons: found in the nucleus... neutrons: found in the nucleus…
Atomic Number
The number of protons and/or electrons contained in an atom (…
25 terms
Chemistry: atomic structure and the periodic table
Nuclear atom
Quantized
Energy levels
Atomic number
Atoms have positively charged nucleus that is very small and…
Of a specific amount
Shells or rings that exist at specific distances from the nuc…
Number of protons in each atom of an element
Nuclear atom
Atoms have positively charged nucleus that is very small and…
Quantized
Of a specific amount
8 terms
Chemistry - periodic table and atomic structure
Period
Group
Isotope
Ion
Horizontal row
Vertical row defining type of element.
Different number of neutrons in the nucleus
Different number of electrons orbiting the nucleus.
Period
Horizontal row
Group
Vertical row defining type of element.
53 terms
Chemistry: Atomic Structure and Periodic Trends
Atom
Atomic number, Z
Mass number, A
Isotopes
The smallest unit of an element. Consist of a central nucleus…
The number of protons in the nucleus of an atom. It uniquely…
The number of protons plus the number of neutrons in the nucl…
Two atoms of the same element differ in their number of neutr…
Atom
The smallest unit of an element. Consist of a central nucleus…
Atomic number, Z
The number of protons in the nucleus of an atom. It uniquely…
Chemistry- Atomic Structure and Periodic Properties
Electromagnetic waves
Wavelength
Frequency (v probounced nu)
Periodic Table
Progressive, repeating disturbances that come from movement o…
Distance between any two points in a wave measured in any dis…
The number of cycles of the wave that pass theough a point in…
Dmitri Mendeleev's arrangement of the elements
Electromagnetic waves
Progressive, repeating disturbances that come from movement o…
Wavelength
Distance between any two points in a wave measured in any dis…
27 terms
Chemistry- Atomic Structure & Periodic Trends
atom
atomic mass
atomic mass unit
atomic number
smallest particle of an element that retains its identity in…
weighted average mass of the atoms in a naturally occurring s…
amu
number of protons in the nucleus of an atom
atom
smallest particle of an element that retains its identity in…
atomic mass
weighted average mass of the atoms in a naturally occurring s…
35 terms
Chemistry: Atomic Structure and the Periodic Table
Hydrogen
Helium
Lithium
Beryllium
Symbol H Atomic # 1
Symbol He Atomic # 2
Symbol Li Atomic # 3
Symbol Be Atomic # 4
Hydrogen
Symbol H Atomic # 1
Helium
Symbol He Atomic # 2
32 terms
Chemistry: Atomic Structure & Periodic Table
Atomic Number
Mass Number
Ion
Ionic charge
identifies an element; the number of protons
the number of protons + the number of nuetrons
atoms with a charge because the have lost of gained electrons…
difference between protons and electrons
Atomic Number
identifies an element; the number of protons
Mass Number
the number of protons + the number of nuetrons
11 terms
Chemistry- Atomic structure and the Periodic table
Proton
Neutron
Electron
Mass number
Postively charged sub-atomic particle (+1) , with a mass of 1.
Neutral charge (0), with a mass of 1.
Negatively charged sub-atomic particle (-1), with a negligibl…
Protons+Neutrons
Proton
Postively charged sub-atomic particle (+1) , with a mass of 1.
Neutron
Neutral charge (0), with a mass of 1.
17 terms
Chemistry: Periodic Table and Atomic Structure
Atom
Proton (p^+)
Electron (n^0)
Neutron (e^-)
Basic unit of an element that has the properties of that elem…
Mass of 1 amu. Located in the nucleus. Overall positive charge.
Mass of 1/2000 amu. Located in the shells surrounding the nuc…
Mass of 1 amu. Located in the nucleus. Overall neutral charge.
Atom
Basic unit of an element that has the properties of that elem…
Proton (p^+)
Mass of 1 amu. Located in the nucleus. Overall positive charge.
30 terms
Chemistry Atomic Structure and the Periodic Table
Atom
Nuclues
Electron Cloud
AMU
Is the smallest particle of an element that has the propertie…
the central portion of the atom. Contains the protons and neu…
Area around the nucleus where electrons are found. Electrons…
atomic mass unit
Atom
Is the smallest particle of an element that has the propertie…
Nuclues
the central portion of the atom. Contains the protons and neu…
35 terms
Chemistry: Atomic Structure and the Periodic Table
Hydrogen
Helium
Lithium
Beryllium
Symbol: H Atomic#: 1
Symbol: He Atomic#: 2
Symbol: Li Atomic#: 3
Symbol: Be Atomic#: 4
Hydrogen
Symbol: H Atomic#: 1
Helium
Symbol: He Atomic#: 2
21 terms
Chemistry Atomic structure and periodic table
Atomic mass unit
Atomic number
Atomic mass
Nucleus
A unit of mass that describes the mass of an atom or molecule…
Number of protons in an atom
Weighted average of the atomic masses for the isotopes of an…
the positively charged dense center of a atom
Atomic mass unit
A unit of mass that describes the mass of an atom or molecule…
Atomic number
Number of protons in an atom
11 terms
Chemistry atomic structure and the periodic table
Alkaline Metals
Alkali earth metals
Transition metals
Halogens
Group 1, soft, low density, very reactive, more reactive as y…
Group 2
High melting and boiling points, low reactivity, strong and h…
Group 7, low melting and boiling points which increase as you…
Alkaline Metals
Group 1, soft, low density, very reactive, more reactive as y…
Alkali earth metals
Group 2
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