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GCA PhySci Quiz 1 Review 8-16-19 Flashcards | StudBud
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GCA PhySci Quiz 1 Review 8-16-19
GCA PhySci Quiz 1 Review 8-16-19
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Atoms, elements, periodic table review
Flashcards
14 cards
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Practice quiz
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Questions
14
Answers
1
Which subatomic particle has a negative charge?
proton
neutron
electron
photon
2
Which element has the most similar properties to Neon? (Ne)
Fluorine (F)
Oxygen (O)
Sulfur (S)
Krypton (Kr)
3
When forming an ion, atoms want to have a full outer electron level.
False
True
4
Hydrogen has one valence electron because it is in . . .
group 2
period 2
group 1
period 1
5
These three lithium atoms have different numbers of neutrons. They are called _____. (pic credit https://astronomy.swin)
isotopes.
ions.
atomic numbers.
mass numbers.
6
How many valence electrons does hydrogen have?
3
2
4
1
7
The mass number is the number of . . .
electrons and neutrons
neutrons and protons
protons and electrons
protons
8
How many
neutrons
does Oxygen-15 have? (Fifteen is the mass number.)
8
15
16
7
9
How many electron slots are in most energy levels?
14
10
8
2
10
An ion will be positive if it . . .
gains electrons.
loses neutrons.
loses protons.
loses electrons.
11
Which element is in period 5?
Tungsten (W)
Vanadium (V)
Strontium (Sr)
Potassium (K)
12
An isotope has 8 neutrons. It is called ________-15. (Take your time, this is a challenge!)
Silicon (S)
Carbon (C)
Silicon (Si)
Nitrogen (N)
13
The number of protons is called . . .
isotope number
atomic number
element number
mass number
14
Krypton and Neon have similar properties because they are in the same period.
True
False
