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Periodic Table Final Review Flashcards | StudBud
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Periodic Table Final Review
Periodic Table Final Review
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8th grade science review for periodic table unit.
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
The most reactive metals are ___________. The most reactive nonmetals are ______________.
Alkali metals; halogens
Alkali metals; noble gases
Alkaline Earth; Noble gases
Alkaline Earth; Halogens
2
Transition metals are identified as...
Periods 3-12
Groups 3-12
Periods 6 and 7
Group 13
3
What is the bond shown?
Ionic, transfer of electrons
Ionic, sharing of electrons
Covalent, transfer of electrons
Covalent, sharing of electrons
4
Elements in the same column on the PToE...
Have the same number of protons.
Have the same masses.
Do not have anything in common.
Have similar chemical properties.
5
Modern periodic table sort elements by...
Atomic number
Atomic mass
Atomic weight
Number of electrons
6
The best conductors of heat and electricity are...
Semimetals
Metals
Nonmetals
Noble gases
7
Group 1 elements are..
1 v.e. away from being stable.
The least reactive metals.
Alkaline Earth Metals
The most reactive metals.
8
Metals tend to _____ electrons to become _________ ions.
Lose; Positive
Lose; Negative
Gain; Negative
Gain; Positive
9
Elements in group 1 have _____ valence electron(s).
2
8
1
3
10
If protons and electrons are equal, the atom is.. (*business)
Neutral/no charge.
An isotope.
Negatively charged.
Positively charged.
11
Nitrogen makes ____ bonds because____________________.
1, because it needs to get to 8.
3, it already has 7 valence electrons.
3, it already has 5 valence electrons.
None of the above.
12
Why is helium unique?
It has 1 v.e.
It glows when electrified.
It has 2 v.e., which is a full shell.
It allows balloons to float.
13
___________ and ___________ are both liquids at room temperature.
Mercury and Gallium.
Mercury and Chlorine.
Mercury and Bromine.
Gallium and Bromine.
14
The smaller portion of the PToE consists of...
Nonmetals
Actinides.
Metals
Transition metals
15
Region #2 shows...
Semimetals
Rare Earth Metals
Nonmetals
Metals
16
Negative ions always bond with...
Hydrogen
Negative ions
Neutral ions
Positive ions
17
What do Iodine, Carbon, Sulfur, and Chlorine have in common?
Same number of valence electrons.
All nonmetals.
All gases.
All considered organic.
18
_____ is the maximum number of valence electrons an atom can have.
10
8
18
2
19
Malleability refers to...
The ability to draw a metal into thin wire.
Having a low melting point.
Being able to form alloys (mix with other metals).
Metal's ability to be hammered/pressed into sheets/shapes
20
Carbon has 6 protons because...
It can make 6 bonds.
It is in the 6th period on the PToE.
It's atomic mass is 6.
It's atomic number is 6.
21
Be, Mg, Ca, Sr, Ba, & Ra are...
Alkaline Earth Metals
Chemical symbols with no connection.
Halogens
Alkali metals.
22
Noble gases are unique because...
Their valence shells are full; they do not bond easily.
They gain or lose electrons.
Their atoms react with each other.
They are all flammable.
23
The '4' represents...
4 oxygen atoms
A charge of +4
4 total 'SO' molecules
4 Sulfur atoms
24
Elements that are least likely to form bonds are..
Semimetals
Transition metals
Noble gases
Halogens
25
Parts of an atom involved in bonding are...
Electrons
Protons
Valence Electrons
Neutrons
26
Ductility refers to...
Metal's ability to conduct heat/electricity.
Metal's ability to be bent/shaped without breaking.
Metal's ability to mix with other metals.
Metal's ability to be drawn into smaller diameter wire.
27
Halogens include:
He, Ne, Ar, Kr, Xe, and Rn
Li, Na, K, Rb, Cs, and Fr
B, Si, Ge, As, Sb, Te, Po, and At
F, Cl, Br, and I
28
Chlorine has ____ neutrons.
17
35
52
18
29
Group 18 elements...
Readily gain or lose electrons.
Do not have full valence shells.
Are the most reactive nonmetals.
Do not ordinarily form compounds.
30
Elements to the right of the staircases are...
Nonmetals
Semimetals
All gases
Metals
