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Atomic Theory Flashcards | StudBud
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Atomic Theory
Atomic Theory
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Atomic Theory #chemistry #atoms #pne
Flashcards
26 cards
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Questions
26
Answers
1
What is substance that results from a combination of two or more different chemical elements?
Family name/number
Compound
None of the above
Period
2
What is an atom or molecule with a net electric charge?
Cation
Ion
None of the above.
Anion
3
What subatomic particle has a neutral charge?
Neutron
Proton
Electron
4
______ Atomic Theory is summed up into 4 statements about atoms and their qualities.
Rutherford's
Millikan's
Dalton's
Thomson's
5
What is a substance consisting of atoms which all have the same number of protons?
Compound
None of the above
Element
Nucleus
6
Which is an positively charged ion?
Neutron
Cation
None of the above.
Anion
7
What is an
Atom
?
The basic unit of a chemical element.
The basic unit of a chemical reaction.
8
How many main families does the periodic table have?
3
7
5
9
9
What is used for indicating mass on an atomic or molecular scale?
None of the above
Atomic Number
Atomic Mass
Atomic Mass Unit
10
This is assigned to an atom and is either positive, neutral, or negative.
Charge
Ion
Atomic Mass
Atomic Number
11
The periodic table is composed of what?
All of the above
The Elements Atomic Number
Elements
The Elements Atomic Mass
12
These are particles that are much smaller than atoms and there are three different types.
Isotope
Subatomic
Nucleus
Ion
13
What subatomic particle is represented by the symbol -e or β− and has a negative charge?
Electron
Neutron
Proton
14
Where is the atomic mass located?
Under the element name.
In the top left corner
Not shown in the image.
15
Where is the atomic number located?
The number in the top left corner.
The number located under the element name.
It is not on the element.
16
What law states that when elements combine, they do so in the ratio of small whole numbers?
Law of Definite Proportions
Law of Multiple Proportions
Coulomb's Law
None of the above.
17
This is the number of protons and neutrons located in the nucleus.
None of the above
Atomic Mass Unit
Mass Number
Atomic Mass
18
What is a negatively charged ion?
Anion
None of the above.
Cation
Proton
19
What has a positive charge in the nucleus?
Neutron
Electron
Proton
None of them
20
What is a small region located in the atom and is made up of a positive and neutral charge?
Nucleus
Proton
Neutron
Ion
21
What law states that a chemical compound contains the same proportion of elements by mass?
Law of Multiple Proportions
Law of Definite Proportions
None of the above
Coulomb's Law
22
Which represents a number that is assigned to an element in chemical combination?
Atomic Number
Atomic Mass
Oxidation Number
None of the above
23
Isotope is each of two or more forms of the same ______ that contain equal numbers of protons.
none of the above
atom
subatomic particles
element
24
This law of physics describes force interacting between static electrically charged particles
Law of Definite Proportions
Law of Multiple Proportions
Law of Conversion of Mass
Coulomb's Law
25
Neutrons have a ________ charge.
Neutral
Negative
Positive
None of them
26
The period on the periodic table is represented by...
From left to right in rows
Up and down in columns
