Study sets matching "atomic chapter 4"

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Study sets matching "atomic chapter 4"

9 terms
Chapter 4 Atomic Structure
Atomic Number
atomic mass
nucleus
proton
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
A subatomic particle that has a positive charge and that is f…
Atomic Number
Number of protons in an atom
atomic mass
weighted average of the atomic masses for the isotopes of an…
20 terms
Chapter 4 Atomic Structure
electron
nucleus
proton
nuetron
a stable subatomic particle with a negative charge (negligibl…
a tiny, very dense region in the center of the atom that cont…
a subatomic particle with a positive charge (equal to but opp…
a subatomic particle with no charge and has a mass nearly equ…
electron
a stable subatomic particle with a negative charge (negligibl…
nucleus
a tiny, very dense region in the center of the atom that cont…
Chapter 4 Atomic Structure
atom
Dalton's atomic theory
electron
cathode ray
the smallest particle of an element that retains its identity…
the first theory to relate chemical changes to events at the…
a negatively charged subatomic particle
a stream of electrons produced at the negative electrode (cat…
atom
the smallest particle of an element that retains its identity…
Dalton's atomic theory
the first theory to relate chemical changes to events at the…
12 terms
Chapter 4: Atomic Structure
Nucleus
Proton
Electron
Neutron
The dense, positively charged mass located in the center of a…
A positively charged subatomic particle that is found in the…
A negatively charged subatomic particle that is found in the…
A neutral subatomic particle that is found in the nulceus of…
Nucleus
The dense, positively charged mass located in the center of a…
Proton
A positively charged subatomic particle that is found in the…
16 terms
Chapter 4 - Atomic Structure
atom
Democritus
Dalton's Atomic Theory
electrons
the smallest particle of an element that retains its identity…
A Greek philospher around 400 BC who first came up with the i…
theory created 2000 years after Democritus, says that all ele…
negatively charged subatomic partices, discovered by J. J. Th…
atom
the smallest particle of an element that retains its identity…
Democritus
A Greek philospher around 400 BC who first came up with the i…
25 terms
Atomic structure - chapter 4
proton
nucleus
atom
electron
positively charged subatomic particle
the central part of an atom
smallest particle of an element that retains the properties o…
negatively charged subatomic particle
proton
positively charged subatomic particle
nucleus
the central part of an atom
56 terms
Chapter 4 Review - Atomic Structure
atom
law of definite composition
cathode rays
electron
Smallest unit of matter that retains the properties of an ele…
Chemical compounds are composed of a fixed ratio of elements…
Streams of electrons that are produced when a high voltage is…
A tiny, negatively charged particle that moves around the nuc…
atom
Smallest unit of matter that retains the properties of an ele…
law of definite composition
Chemical compounds are composed of a fixed ratio of elements…
12 terms
Chapter 4: Atomic Structure
Nucleus
Proton
Electron
Neutron
The dense, positively charged mass located in the center of a…
A positively charged subatomic particle that is found in the…
A negatively charged subatomic particle that is found in the…
A neutral subatomic particle that is found in the nulceus of…
Nucleus
The dense, positively charged mass located in the center of a…
Proton
A positively charged subatomic particle that is found in the…
45 terms
Chapter 4: Atomic Structure
Atom
Atoms
Electron
Proton
Smallest particle of an element that can exist alone.
What are the building blocks of matter?
Negative charged subatomic particles
Positive charge subatomic particles
Atom
Smallest particle of an element that can exist alone.
Atoms
What are the building blocks of matter?
60 terms
Chem. Chapter 4 Atomic Structure
atom
Democritus
Democritus believed that atoms were __…
John Dalton
smallest particle of an element that retains its identity in…
suggested the first existence of atoms
indivisible and indestructible
proposed that properties of matter could be explained in term…
atom
smallest particle of an element that retains its identity in…
Democritus
suggested the first existence of atoms
23 terms
Chapter 4 - Atomic Structure
Atom
Dalton
Electrons
Cathode ray
The smallest particle of an element that retains its identity…
The first theory to relate chemical changes to events at the…
A negatively charged subatomic particle
A stream of electrons produced at the negative electrode of a…
Atom
The smallest particle of an element that retains its identity…
Dalton
The first theory to relate chemical changes to events at the…
12 terms
Chapter 4 Atomic Structure
atom
Dalton's atomic theory
electron
cathode ray
the smallest component of an element having the chemical prop…
1) elements are composed of atoms. 2) atoms of same element a…
A subatomic particle that has a negative charge
a beam of electrons emitted by the cathode of an electrical d…
atom
the smallest component of an element having the chemical prop…
Dalton's atomic theory
1) elements are composed of atoms. 2) atoms of same element a…
12 terms
Chapter 4 - Atomic Structure
Atom
Dalton's atomic theory
Electron
Cathode ray
the smallest particle of an element that retains its identity…
the first theory to relate chemical changes to events at the…
a negatively charged subatomic particle found outside the nuc…
a stream of electrons produced at the negative electrode (cat…
Atom
the smallest particle of an element that retains its identity…
Dalton's atomic theory
the first theory to relate chemical changes to events at the…
18 terms
Chapter 4 Atomic Structure
atom
Dalton's atomic theory
electron
cathode ray
the smallest particle of an element that retains its identity…
the first theory to relate chemical changes to events at the…
a negatively charged subatomic particle
a stream of electrons produced at the negative electrode (cat…
atom
the smallest particle of an element that retains its identity…
Dalton's atomic theory
the first theory to relate chemical changes to events at the…
10 terms
chapter 4 atomic structure
atom
democritus
aristotle
dalton
the smallest particle of an element that retains its identity…
solid sphere
matter made of fire air earth and water
empty sphere ... 4 rules... atoms
atom
the smallest particle of an element that retains its identity…
democritus
solid sphere
45 terms
Chapter 4 Atomic Structure
Atom
Atoms
Electron
Proton
Smallest particle of an element that can exist alone.
What are the building blocks of matter?
Negative charged subatomic particles
Positive charge subatomic particles
Atom
Smallest particle of an element that can exist alone.
Atoms
What are the building blocks of matter?
14 terms
Chapter 4 Atomic Structure
Democritus
Proust
Law of definite proportions
Dalton
Said matter is made by atoms
Founded law of definite proportions
Compounds always contain elements in the same simple ratios
Created the atomic theory and created the first atom model
Democritus
Said matter is made by atoms
Proust
Founded law of definite proportions
Atomic structure Chapter 4
Democritus
Joseph Proust
John Dalton
JJ Thomson
Proposed that all matter is actually composed of tiny, indivi…
Discovered ratios of atoms within compounds
Had a theory that elements are composed of atoms, that all at…
His theory was that atoms can be broken down to even smaller…
Democritus
Proposed that all matter is actually composed of tiny, indivi…
Joseph Proust
Discovered ratios of atoms within compounds
42 terms
Chapter 4: Atomic Structure
Continuous Matter. Where?
Democritus
Aristotle
Law of Conservation of mass
Matter that can be divided indefinitely. Ancient greece
Matter is composed of tiny indivisible particles called atoms
Denied non-continuous matter. Rejected existence of atoms. ac…
Matter is nether created nor destroyed. Mass of Reactants equ…
Continuous Matter. Where?
Matter that can be divided indefinitely. Ancient greece
Democritus
Matter is composed of tiny indivisible particles called atoms
15 terms
Chapter 4 - Atomic Theory
Ground State
Electron Configuration
Orbital
Electron Cloud
all electrons have the lowest possible energy
arrangement of electrons in the orbitals of an atom
a region of space where an electron can be found
visual model of the orbital
Ground State
all electrons have the lowest possible energy
Electron Configuration
arrangement of electrons in the orbitals of an atom
16 terms
Chapter 4 - Atomic Structure
atom
Democritus
Dalton's Atomic Theory
electrons
the smallest particle of an element that retains its identity…
A Greek philospher around 400 BC who first came up with the i…
theory created 2000 years after Democritus, says that all ele…
negatively charged subatomic partices, discovered by J. J. Th…
atom
the smallest particle of an element that retains its identity…
Democritus
A Greek philospher around 400 BC who first came up with the i…
61 terms
Chapter 4- atomic structure
Democritus
John Dalton
Dalton's Atomic Theory
Law of Definite Proportion
(Greek philosopher- 4th century BC)... - First to come up with t…
(English- 1804)... - Theorized all matter is made up of individu…
1. All elements are composed of individual particles called a…
Chemical compound always contains its component elements in f…
Democritus
(Greek philosopher- 4th century BC)... - First to come up with t…
John Dalton
(English- 1804)... - Theorized all matter is made up of individu…
13 terms
Chapter 4: Atomic Structure
John Dalton's Theory
Democritus
Joseph John Thomson
Earnest Rutherford
He was born in England in 1766. He proposed the theory that a…
(460-370 BCE) A Greek philosopher who theorized that all matt…
His experiments provided the first evidence that atoms are ma…
In 1899, he discovered that uranium emits fast-moving particl…
John Dalton's Theory
He was born in England in 1766. He proposed the theory that a…
Democritus
(460-370 BCE) A Greek philosopher who theorized that all matt…
Chapter 4 :Atomic Structure Review
Atom
Dalton's Atomic Theory
Dalton's Atomic Theory #3
Democritus
smallest particle of an element; contains protons, neutrons a…
Atom
smallest particle of an element; contains protons, neutrons a…
Dalton's Atomic Theory
Chapter 4- Atomic Structure
Nucleus
Proton
Electron
Neutron
the dense, positively charged mass located in the center of a…
a positively charged subatomic particle that is found in the…
a negatively charged subatomic particle that is found in the…
a neutral subatomic particle that is found in the nucleus of…
Nucleus
the dense, positively charged mass located in the center of a…
Proton
a positively charged subatomic particle that is found in the…
Chapter 4 Atomic Structure
Democritus
Dalton
Dalton's atomic theory
Thomson
Greek philosopher was among the first to suggest the existenc…
English chemist and schoolteacher transformed Democritus's id…
1) All elements are composed of tiny indivisible particles ca…
English physicist who discovered the electron and cathode ray.
Democritus
Greek philosopher was among the first to suggest the existenc…
Dalton
English chemist and schoolteacher transformed Democritus's id…
12 terms
Atomic Strategies(Chapter 4)
Nucleus
Proton
Electron
Neutron
Center of an atom
Positive charge
Negative charge
No charge
Nucleus
Center of an atom
Proton
Positive charge
Chapter 4 Atomic Structure
Nucleus
Proton
Electron
Neutron
A part of the cell containing DNA and RNA and responsible for…
A subatomic particle that has a positive charge and that is f…
A subatomic particle that has a negative charge
A subatomic particle that has no charge and that is found in…
Nucleus
A part of the cell containing DNA and RNA and responsible for…
Proton
A subatomic particle that has a positive charge and that is f…
Chapter 4: Atomic Structure
Nucleus
Proton
Electron
Neutron
A dense, positively charged mass located in the center of an…
A positively charged subatomic particle that is found in the…
A negatively charged subatomic particle that is found in the…
A neutral subatomic particle that is found in the nucleus of…
Nucleus
A dense, positively charged mass located in the center of an…
Proton
A positively charged subatomic particle that is found in the…
11 terms
Chapter 4 Atomic Structure
Proton
Electron
Neutron
Atomic Number
A positively charged subatomic particle that is found in the…
A negatively charged subatomic particle that is found in the…
A neutral subatomic particle that is found in the nucleus of…
A unique number for each element that equals the number of pr…
Proton
A positively charged subatomic particle that is found in the…
Electron
A negatively charged subatomic particle that is found in the…
Atomic structure Chapter 4
Proton
electron
neutron
atomic number
is a positively charged subatomic particle that is found in t…
is a negatively charged subatomic particle that is found in t…
is a neutral subatomic particle that is found in the nucleus…
of an element equals the number equals the number of protons…
Proton
is a positively charged subatomic particle that is found in t…
electron
is a negatively charged subatomic particle that is found in t…
Chapter 4: Atomic Structure
Nucleus
Proton
Electron
Neutron
A dense, positively charged mass located in the center of an…
A positively charged subatomic particle that is found in the…
A negatively charged subatomic particle found in the space ou…
A neutral subatomic particle that is found in the nucleus of…
Nucleus
A dense, positively charged mass located in the center of an…
Proton
A positively charged subatomic particle that is found in the…
Chapter 4 atomic structure
Proton
electron
neutron
atomic number
A positively charged subatomic particle that is found in the…
A negatively charged subatomic particle that is found in the…
A neutral subatomic particle that is found in the nucleus of…
The atomic number of an element equal the number of protons i…
Proton
A positively charged subatomic particle that is found in the…
electron
A negatively charged subatomic particle that is found in the…
8 terms
Atomic Structure-Chapter 4
Democritus (400 BCE)
Aristotle and Plato's Theory
Dalton (early 1800s)
Thomson
Small, hard particles. Same material but different shapes and…
Thought everything was made of earth, wind, fire, or water
Sold sphere. Elements are composed of atoms. Atoms are indivi…
Used cathode ray. Negatively charged particles (electrons). S…
Democritus (400 BCE)
Small, hard particles. Same material but different shapes and…
Aristotle and Plato's Theory
Thought everything was made of earth, wind, fire, or water
34 terms
Chapter 4 - Atomic Theory
Metalloids
Cations
Anions
Alkali Metals
Elements that have some metallic and some nonmetallic propert…
Metals tend to lose one or more electrons to form positive io…
Nonmetals tend to gain one or more electrons to form negative…
1+ charge
Metalloids
Elements that have some metallic and some nonmetallic propert…
Cations
Metals tend to lose one or more electrons to form positive io…
16 terms
Chapter 4 - Atomic Structure
Atom
Dalton
Electrons
Cathode ray
The smallest particle of an element that retains its identity…
The first theory to relate chemical changes to events at the…
A negatively charged subatomic particle
A stream of electrons produced at the negative electrode of a…
Atom
The smallest particle of an element that retains its identity…
Dalton
The first theory to relate chemical changes to events at the…
36 terms
Chapter 4 Atomic Structure
Democritus
Aristotle
Dalton's Atomic Theory
......So......... Dalton's Main Points in…
* named the smallest particles of matter atoms because they c…
*thought only four elements made up everything: earth, fire,…
*gathered evidence for existence of atoms by measuring masses…
*elements are composed of atoms... *in a particular compound, at…
Democritus
* named the smallest particles of matter atoms because they c…
Aristotle
*thought only four elements made up everything: earth, fire,…
Atomic Structure: Chapter 4
Democritus
Aristotle's Elements
John Dalton
Dalton's Atomic Theory
-first to suggest that atoms existed... -believed that atoms wer…
-fire, water, earth, air
-used experimental methods to transform Democritus' ideas abo…
-all elements are composed of indivisible particles... -atoms of…
Democritus
-first to suggest that atoms existed... -believed that atoms wer…
Aristotle's Elements
-fire, water, earth, air
14 terms
Chapter 4: Atomic Structure
proton
electron
neutron
atomic number
A subatomic particle that has a positive charge and that is f…
A tiny, negatively charged particle that moves around the nuc…
A subatomic particle that has no charge and that is found in…
The number of protons in the nucleus of an atom
proton
A subatomic particle that has a positive charge and that is f…
electron
A tiny, negatively charged particle that moves around the nuc…
12 terms
Chapter 4- Atomic Structure
nucleus
proton
electron
neutron
a dense, postively charged mass located in the center of the…
a postively charged subatomic particle that is found in the n…
a negatively charged subatomic particle that is found in the…
a neutral subatomic particle that is found in the nucleus of…
nucleus
a dense, postively charged mass located in the center of the…
proton
a postively charged subatomic particle that is found in the n…
17 terms
Chapter 4 - Atomic Energy
half-life
tracer
nuclear fusion
nuclear fission
The time needed for half of a sample of a radioactive substan…
A radioactive element whose path can be followed through a pr…
the combination of the nuclei of small atoms to form a large…
process in which a large nucleus splits into 2 small nuclei a…
half-life
The time needed for half of a sample of a radioactive substan…
tracer
A radioactive element whose path can be followed through a pr…
13 terms
Chapter 4 Atomic Structure
proton
neutron
electron
nucleus
subatomic particle with a positive charge
subatomic particle with no charge
subatomic particle with a negative charge
contains protons and neutrons
proton
subatomic particle with a positive charge
neutron
subatomic particle with no charge
12 terms
Chapter 4 Atomic Structure
nucleus
proton
electron
neutron
the dense, positively charged mass located in the center of t…
positively charged subatomic particle located in the nucleus…
negatively charged subatomic particle located around the nucl…
neutral subatomic particle located in the nucleus, it's mass…
nucleus
the dense, positively charged mass located in the center of t…
proton
positively charged subatomic particle located in the nucleus…
Chapter 4 Atomic Defects
0 dimentional defect
list three types of point defects
vacancy
substitutional impurity
point defect
vacancy, interstitial, substitutional
missing atom where one should exist
atom of a different variety replace a native atom in the crys…
0 dimentional defect
point defect
list three types of point defects
vacancy, interstitial, substitutional
Chapter 4 Atomic number
Region of space where an electron is l…
Atoms of the same element having diffe…
Dense, positively charged mass in the…
Possible energies that electrons in an…
Orbital
Isotopes
Nucleus
Energy levels
Region of space where an electron is l…
Orbital
Atoms of the same element having diffe…
Isotopes
Chapter 4: The Atom and Atomic Structure
Democritus
Dalton's Atomic Theory
JJ Thomson
Ernest Rutherford
Greek philosopher that suggested the universe was made up of…
Atoms cannot be divisible... All atoms of a given element are ex…
Developed plum pudding model and used the cathode ray tube ex…
Gold Foil experiment and found out about the nucleus and that…
Democritus
Greek philosopher that suggested the universe was made up of…
Dalton's Atomic Theory
Atoms cannot be divisible... All atoms of a given element are ex…
21 terms
Freshman Science Chapter 4 Atomic Structure
Proton
Electron
Neutron
Atomic number
Positively charged and found in the nucleus of an atom
Negatively charged and found outside the nucleus
Neutral and found in the nucleus of an atom
Number of Protons
Proton
Positively charged and found in the nucleus of an atom
Electron
Negatively charged and found outside the nucleus
Chapter 4 Atomic Structure
Alpha Particles
Protons
Neutrons
Electrons
Positive particles ejected from a radioactive nucleus, and th…
Positively-charged subatomic particles in the atomic nucleus.
Neutral (uncharged) subatomic particles in the atomic nucleus.
Negatively-charged subatomic particles outside of the atomic…
Alpha Particles
Positive particles ejected from a radioactive nucleus, and th…
Protons
Positively-charged subatomic particles in the atomic nucleus.
73 terms
Chapter 4- Atomic Structure
the smallest particle of an element th…
Democritus
Dalton's theory
dalton
Atom
- First person to come up with the idea of atoms... - Said if yo…
the first theory to relate chemical changes to events at the…
Whose atomic theory does this model match?
the smallest particle of an element th…
Atom
Democritus
- First person to come up with the idea of atoms... - Said if yo…
Chapter 4: Atomic Structure
Atom
Nucleus
Protons
Electrons
the smallest unit of a substance that still retains the prope…
the center of the atom
positive charge; in the center of the nucleus
negatively charged; outside the nucleus
Atom
the smallest unit of a substance that still retains the prope…
Nucleus
the center of the atom
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