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Element, Atoms and Periodic Table Review Flashcards | StudBud
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Element, Atoms and Periodic Table Review
Element, Atoms and Periodic Table Review
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Review for an Element, Atoms and Periodic Table Unit Test.
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
All compounds are molecules, but not all molecules are compounds.
False
True
2
The atomic mass is the number of
Protons
Protons plus Electrons
Protons plus Neutrons
Neutrons
3
A Lewis Dot diagram shows only
The total number of electrons in an atom
The number of valence electrons
The number of protons
The number of neutrons
4
As you move across a period on the Periodic Table (left to right)
The number of energy levels increases
The number of valance electrons decreases by one
The number of energy levels decreases
The number of valence increases by one
5
Electrons are
Positively charged
Negatively charged
Neutral
6
I have 23 electrons and 28 neutrons. Who am I?
Sodium
Manganese
Vanadium
Molybdnum
7
(Cl) and (Be) are both examples of
Molecules
Compounds
Elements
8
The valence electron shell
Is the shell closest to the nucleus that has no electrons
Is the shell furthest from the nucleus that has no electrons
Is the shell furthest from the nucleus that has electrons
Is the shell closest to the nucleus that has electrons.
9
Up to how many electrons can the second energy level hold?
2
16
18
8
10
Neutrons are
Neutral
Positively charged
Negatively charged
11
Up to how many electrons can the third energy level hold?
2
8
18
16
12
A substance that cannot be broken down into simpler substances
Compound
Element
Molecule
Atom
13
The number of neutrons in a atom can be found by
Adding the number of protons and the number of neutrons
Subtracting the number of electrons from the atomic number
Adding the atomic mass to the atomic number
Subtracting the atomic number from the atomic mass
14
The Bohr diagram and Lewis Dot diagram both
Show the total number of electrons in an atom
Show the valence electrons in an atom
Show the protons and neutrons in an atom
Show all the subatomic particles in an atom
15
Valence electrons are
The electrons in the innermost level.
The total number of electrons in all levels.
The electrons in the outermost level.
16
The smallest part of an element is the
Molecule
Element
Atom
Compound
17
How many differnt kinds of subatomic particles are there
3
1
2
4
18
I have 2 neutrons and 2 electrons. Who am I?
Boron
Helium
Hydrogen
Lithium
19
The atomic number is the same number as
Protons and Electrons
Protrons
Neutrons
Electrons
20
Elements in the same family/group have the
Same number of total electrons
Same number of protons
Same number of valence electrons
Same number of energy levels
21
An atom with an atomic number of 11 and an atomic mass of 23 has how many neutrons?
11
13
12
10
22
An atom with an atomic number of 11 and an atomic mass of 23 has how many protons?
12
11
13
10
23
I am in Period 4 and I have an atomic number of 20. Who am I?
Scandium
Calcium
Sodium
Potassium
24
I am in Family/Group 2, a metal, and have an atomic number of 12. Who am I?
Barium
Magnesium
Potassium
Carbon
25
The number of protons in an atom is represented by
the atomic mass minus the atomic number
atomic mass
the atomic mass minus the number of electrons
atomic number
