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Study sets matching "chemistry atoms periodic"

Chemistry- Atoms and the Periodic Table
Democritus
Dalton
Thomson
Rutherford
Greek Philosopher- suggested atoms-- called "atoms" meaning d…
atoms of the same element are the same
charge of atoms-- plum pudding model
discovered nucleus in gold foil experiment
Democritus
Greek Philosopher- suggested atoms-- called "atoms" meaning d…
Dalton
atoms of the same element are the same
32 terms
Atoms, Periodic Table, and Chemistry
atoms
elements
protons
neutrons
basic building blocks
pure substances
positively charged particles in the nucleus of the atom
neutral or no charge particles in the nucleus of the atom
atoms
basic building blocks
elements
pure substances
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
34 terms
Chemistry - Atoms & periodic table
Atomic (proton) number
Mass (nucleon) number
Ion
Avogadro Constant
Number of protons in the nucleus of an atom
Number of particles (protons + neutrons) in the nucleus
Positively or negatively charge atom or (covalently bonded) g…
The number of atoms per mole (6.02 X 1023 mol⁻¹)
Atomic (proton) number
Number of protons in the nucleus of an atom
Mass (nucleon) number
Number of particles (protons + neutrons) in the nucleus
20 terms
Periodic table and atoms - Chemistry
another name for an orbit
what charge do electrons have
what charge do neutrons have
what charge do protons have
energy levels
negative
none
positive
another name for an orbit
energy levels
what charge do electrons have
negative
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
26 terms
Chemistry: atoms and the periodic table
It is the atomic number and it shows y…
Subtract the atomic number from the at…
+1
0
In a cell in the periodic table what is the number on the bot…
How do you find the number of neutrons?
What is the charge of a proton?
What is the charge of neutron?
It is the atomic number and it shows y…
In a cell in the periodic table what is the number on the bot…
Subtract the atomic number from the at…
How do you find the number of neutrons?
20 terms
Atoms, Chemistry and Periodic Table Review
Atom
Nucleus
Proton
Atomic number
the smallest particle into which an element can be divided an…
the region of the atom that contains most of the mass
a positively charged particle in the nucleus of an atom
is determined by the number of protons in an atom
Atom
the smallest particle into which an element can be divided an…
Nucleus
the region of the atom that contains most of the mass
10 terms
chemistry (atoms/periodic table ****)
amu
Z
A
Atomic number
atomic mass unit = 0.00000000000000000000000166g ( to the -24 )
atomic number
mass number
gives element it's identity... same as electrons and protons
amu
atomic mass unit = 0.00000000000000000000000166g ( to the -24 )
Z
atomic number
Chemistry (The Periodic Table & Atoms)
What charge does a Proton have?
What charge does a Neutron have?
What charge does an Electron have?
What is SO4 2 minus?
+1
0
-1
Sulphate
What charge does a Proton have?
+1
What charge does a Neutron have?
0
29 terms
Chemistry( periodic table and atoms)
Matter is made of what?
What are atoms mainly?
What are the three smaller particles f…
Where are protons and neutrons found?
Atoms
Empty space
Protons neutrons electrons
In nucleus
Matter is made of what?
Atoms
What are atoms mainly?
Empty space
8 terms
chemistry - atoms and periodic table
loss of electron
gaining an electron
iron
mass number
positively charged
negatively charged
forming a whole outer shell
protons and neutrons
loss of electron
positively charged
gaining an electron
negatively charged
44 terms
Chemistry- Atoms & Periodic Table
Law of Conservation of Mass
Law of Definite Proportions
Rutherford
Dalton
mass is neither created nor destroyed during ordinary chemica…
a chemical compound contains the same elements in exactly the…
discovered the nucleus with positive alpha particles, nucleus…
proposed 5 reasons to explain the 3 Laws of Chemical Combinat…
Law of Conservation of Mass
mass is neither created nor destroyed during ordinary chemica…
Law of Definite Proportions
a chemical compound contains the same elements in exactly the…
10 terms
Atoms, Periodic table of elements and Chemistry
electron
atomic mass number
valence electron
covalent bond
electron
atomic mass number
25 terms
Chemistry (Atoms and periodic table)
Democritus
John Dalton
Atom
Molecules
Greece 4th century BCE. He was the first to use the term "ato…
England 1808, he proposed the first atomic theory based on sc…
The smallest part of an element that still has the element's…
Made up with atoms
Democritus
Greece 4th century BCE. He was the first to use the term "ato…
John Dalton
England 1808, he proposed the first atomic theory based on sc…
14 terms
Chemistry/Periodic table/Atoms
Atomic Number
Carbon atoms
Carbon-14
Mass number
The number of protons.
All have 6 protons, so the atomic number is 6.
Carbon-14 is a form of radioactive carbon that's used to figu…
Number of neutrons + Number of protons.
Atomic Number
The number of protons.
Carbon atoms
All have 6 protons, so the atomic number is 6.
42 terms
Chemistry Atoms and periodic table
Democritus
Dalton
Daltons atomic theory
John dalton
•greek philosopher... •idea of democracy... •idea of "atomos" ... Atom…
•English school teacher... •stated that elements consisted of ti…
1. All matter consists of tiny particles. Dalton, like the Gr…
Law of conservation of mass
Democritus
•greek philosopher... •idea of democracy... •idea of "atomos" ... Atom…
Dalton
•English school teacher... •stated that elements consisted of ti…
37 terms
Chemistry: The Atom & The Periodic Table
alkali metals
alkaline earth metals
atom
atomic number
group 1A; a vertical column--1st column
group 2A; vertical column--2nd column
smallest particle of an element that still has the properties…
the # of protons in the nucleus of an atom, which also = the…
alkali metals
group 1A; a vertical column--1st column
alkaline earth metals
group 2A; vertical column--2nd column
39 terms
Chemistry (atoms and the periodic table)
atom
Element
Atomic Number
Isotope
smallest particle into which an element can be divided and st…
a substance that cannot be separated or broken down into simp…
number of protons in the nucleus
an atom with the same number of protons and a different numbe…
atom
smallest particle into which an element can be divided and st…
Element
a substance that cannot be separated or broken down into simp…
10 terms
Chemistry: Atoms + Periodic table
What is an element?
Charge of a proton?
Charge of a neutron?
Charge of an electron?
A substance that is made up of one type of atom
+1
0
-1
What is an element?
A substance that is made up of one type of atom
Charge of a proton?
+1
45 terms
Atoms, Periodic Table, Chemistry
The ancient greeks had an idea that al…
Atoms make up all of......?
Atoms are made of how many smaller par…
What are the 3 subatomic particles?
Atoms
Matter
3 subatomic particles
proton, neutron, and electron
The ancient greeks had an idea that al…
Atoms
Atoms make up all of......?
Matter
41 terms
Chemistry; Atoms & Periodic table
The Greek philosopher Democritus coine…
What is not part of John Dalton's atom…
What most accurately represents John D…
J.J Thomson's experiments provided evi…
Atom
Atoms contain subatomic particles
A tiny, solid sphere with a predictable mass for a given elem…
Contains negatively charged particles
The Greek philosopher Democritus coine…
Atom
What is not part of John Dalton's atom…
Atoms contain subatomic particles
12 terms
Atoms and the periodic table (Chemistry)
Atoms
Protons
Electrons
Neutrons
Smallest particle of an element that has all the properties o…
Particles in the nucleus of the atom with positive charge
Particles orbiting around nucleus with negative charge
Particles in the nucleus of the atom with no charge
Atoms
Smallest particle of an element that has all the properties o…
Protons
Particles in the nucleus of the atom with positive charge
12 terms
Chemistry Atoms and Periodic Table Revision
What are all substances made from
What are elements represented by and g…
How many elements are there roughly
How are compounds formed and what do t…
All substances are made of atoms
Elements can be represented by chemical symbols such as Na th…
About 100 elements
They are formed from elements by chemical reactions and they…
What are all substances made from
All substances are made of atoms
What are elements represented by and g…
Elements can be represented by chemical symbols such as Na th…
19 terms
Chemistry: Periodic Table & The Atom
Democritus
Lavoisier
Proust
Dalton
believed matter was not infinite, but composed of smaller par…
first to provide a quantitative analysis of chemical processe…
showed the proportion of weights of the elements from compoun…
Came up with the atomic theory
Democritus
believed matter was not infinite, but composed of smaller par…
Lavoisier
first to provide a quantitative analysis of chemical processe…
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
32 terms
Chemistry: Atom and Periodic Table
Group 1
Group 2
Group 7
Group 8
Alkali Metals
Alkaline earth metals
Halogens
Noble gases
Group 1
Alkali Metals
Group 2
Alkaline earth metals
19 terms
Atomic Chemistry and the Periodic Table
Atom
Neutron
Proton
Electron
Basic unit of matter
A neutral subatomic particle that is found in the nucleus of…
A positively charged subatomic particle that is found in the…
A subatomic particle that has a negative charge
Atom
Basic unit of matter
Neutron
A neutral subatomic particle that is found in the nucleus of…
13 terms
Chemistry: The Atom and The Periodic table
The atom
What is an atom made of and what are t…
Protons
Neutrons
The smallest particle of an element that still contains all t…
Protons, Neutrons and Electrons. ... These are known as sub-atom…
> Positive charge... > Located in the nucleus ... > Atomic Mass Uni…
> Neutral ... > Located in the nucleus ... > A.M.U: 1
The atom
The smallest particle of an element that still contains all t…
What is an atom made of and what are t…
Protons, Neutrons and Electrons. ... These are known as sub-atom…
30 terms
Chemistry- The Atom~ periodic trends
Atomic radius --- as you go across a r…
Atomic radius --- as you go across a c…
Ionization energy
Ionization energy--- as you go across…
Decreases
Increases
The energy required to loose an electron
Increases
Atomic radius --- as you go across a r…
Decreases
Atomic radius --- as you go across a c…
Increases
9 terms
chemistry: atoms, light and the periodic table
proton
electron
ion
neutron
(p+) is positively charged particle of the atomic nucleus. th…
(e-) is negatively charged particle that can occupy a volume…
is an atom that has gained or lost one or more electrons, thu…
(n-) is an uncharged particle of the nucleus of all atoms EXC…
proton
(p+) is positively charged particle of the atomic nucleus. th…
electron
(e-) is negatively charged particle that can occupy a volume…
48 terms
chemistry-the atom and the periodic table
what is an atom?
define chemistry
list the 3 major parts of an atom
tell a protons charge, symbol, locatio…
the smallest part of an element
the study of matter-its structure and the changes it undergoes
protons, neutrons, and electrons
positive... p+... nucleus
what is an atom?
the smallest part of an element
define chemistry
the study of matter-its structure and the changes it undergoes
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
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…
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
17 terms
Chemistry Periodic/Atomic Trends
What changes in atomic structure occur…
What changes in atomic structure occur…
What is Nuclear charge and its general…
What is the Shielding Effect?
Size generally decreases. The number of protons increases, as…
Size generally increases. More energy levels, more "inner" el…
Increase in protons in nucleus. Across a period it causes gre…
Inner electrons shield outer electrons from nuclear "pull" do…
What changes in atomic structure occur…
Size generally decreases. The number of protons increases, as…
What changes in atomic structure occur…
Size generally increases. More energy levels, more "inner" el…
28 terms
Chemistry: Atom and Periodic Table
Rutherford
Thomson
Democritus
Chadwick
Performed an experiment that led to the discovery of the nucl…
Discovered rays in atom to be negatively charged
Began supporting the particle theory of matter and using the…
Discovered neutrons
Rutherford
Performed an experiment that led to the discovery of the nucl…
Thomson
Discovered rays in atom to be negatively charged
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
16 terms
Chemistry - Properties of Atoms and the Periodic Table
Atom
Nucleus
Proton
Neutron
the smallest particles of an element that still retains the p…
positively charged center of an atom that contains protons an…
particle, composed of quarks, inside the nucleus of an atom t…
neutral particle, composed of quarks, inside the nucleus of a…
Atom
the smallest particles of an element that still retains the p…
Nucleus
positively charged center of an atom that contains protons an…
Chemistry Quiz-Atoms and Periodic Table
Metalloids belong to group(s) ________?
What group(s) do the alkali metals bel…
True or False. Do all elements occur n…
The name of the group of elements that…
13-16
1
False
Noble Gases
Metalloids belong to group(s) ________?
13-16
What group(s) do the alkali metals bel…
1
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
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
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
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
29 terms
Chemistry- The Periodic Table, Atoms, and Ions
Dmitri Mendeleev
Henry Moseley
Modern Periodic Table
Periodic Table
-Noticed when the elements were arranged in order of increasi…
-Noticed that the elements fit into patterns when they were a…
-Since Mendeleev, new elements have been discovered ... -each el…
An arrangement of the elements in order of their same atomic…
Dmitri Mendeleev
-Noticed when the elements were arranged in order of increasi…
Henry Moseley
-Noticed that the elements fit into patterns when they were a…
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
65 terms
Chemistry 1 - Atoms and the Periodic Table
The "Periodic Table" we use today has…
What are the vertical columns called?…
What are the rows called?
Which element has three (3) electrons?
Increasing Atomic Numbers
Families or Groups
Periods
Lithium (Li)
The "Periodic Table" we use today has…
Increasing Atomic Numbers
What are the vertical columns called?…
Families or Groups
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