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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…
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…
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…
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…
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…
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…
15 terms
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
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…
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
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?
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…
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…
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,…
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…
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
63 terms
Atomic Theory--Chapter 4
True
True
False
False
T/F: Atoms are the smallest particles of matter.
T/F: With only a few changes, Dalton's atomic theory is still…
T/F: Since the 1930's, the model of the atom has changed a gr…
T/F: Atoms of different elements have the same number of prot…
True
T/F: Atoms are the smallest particles of matter.
True
T/F: With only a few changes, Dalton's atomic theory is still…
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
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…
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…
12 terms
Chapter 4 Atomic structure
Nucleus
Proton
Neutron
Atomic number
Center of the atom
A subatomic particle that has a positive charge and that is f…
A subatomic particle that has no charge and that is found in…
Number of protons
Nucleus
Center of the atom
Proton
A subatomic particle that has a positive charge and that is f…
26 terms
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
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…
12 terms
Chapter 4: Atomic Structure
Nucleus
Proton
Neutron
Electron
Center of an atom (contains protons and neutrons)
Positively charged particle inside the nucleus of an atom
A neutral (no charge) subatomic particle that is found in the…
Negatively charged particle that orbits around the nucleus of…
Nucleus
Center of an atom (contains protons and neutrons)
Proton
Positively charged particle inside the nucleus of an atom
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…
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
12 terms
Chapter 4: Atomic Structure
nucleus
proton
electron
neutron
a dense positively charged mass located in the center of the…
Positively charged particle in the nucleus of an atom
Negatively charged particle that exists in a cloud formation…
A subatomic particle that has no charge and that is found in…
nucleus
a dense positively charged mass located in the center of the…
proton
Positively charged particle in the nucleus of an atom
17 terms
Chapter 4 - Atomic Structure
atom
Dalton's Atomic Theory
electrons
protons
the smallest particle of an element that retains its identity…
theory created 2000 years after Democritus, says that all ele…
negatively charged subatomic partices, discovered by J. J. Th…
positively charged subatomic particles found within the nucle…
atom
the smallest particle of an element that retains its identity…
Dalton's Atomic Theory
theory created 2000 years after Democritus, says that all ele…
12 terms
Chapter 4 Atomic Structure
nucleus
proton
electron
neutron
Brain of the cell
Positive charge
Negative charge
No charge
nucleus
Brain of the cell
proton
Positive charge
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?
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?
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…
31 terms
Chapter 4: Atomic structure
Atom
democritus
Dalton
Dalton's atomic theory
smallest particle of an element that retains the identity (ch…
greek philosopher... -one of the first to introduce the idea of…
-english chemist and teacher transformed Democritus' ideas ab…
1. all elements are composed of atoms which are tiny, indivis…
Atom
smallest particle of an element that retains the identity (ch…
democritus
greek philosopher... -one of the first to introduce the idea of…
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…
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…
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…
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
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…
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
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…
16 terms
Chapter 4: Atomic Structure
Democritus
John Dalton
False
JJ Thompson
*The 1st to suggest atoms... *Thought atoms were indestructible…
Theory claims:... *All elements are composed of atoms... *Atoms of…
Is it true that atoms are indestructible?
Discovered electrons
Democritus
*The 1st to suggest atoms... *Thought atoms were indestructible…
John Dalton
Theory claims:... *All elements are composed of atoms... *Atoms of…
12 terms
Chapter 4 Atomic Structure
Nucleus
Proton
Electron
Neutron
A part of the cell containing DNA and RNA and responsible for…
Positively charged particles
Negatively charged particles
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
Positively charged particles
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 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…
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…
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…
11 terms
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
12 terms
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
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…
10 terms
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
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