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15
×
As you move from left to right on the periodic table, what generally happens to the boiling point of elements?
It remains constant.
It decreases, then increases.
It increases, then decreases.
It decreases.
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15
×
Which of these elements has the smallest atomic radius?
Arsenic (As)
Nitrogen (N)
Phosphorus (P)
Antimony (Sb)
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seesaw
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magnet
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fairy
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baam
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15
×
Which of the following elements is a main group element?
Manganese
Gold
Aluminum
Copper
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15
×
Why are metals good conductors of electricity?
Their neutrons are held very tightly.
Their protons are held very loosely.
Their protons are held very tightly.
Their outer electrons are held very loosely.
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15
×
Which element will predictably carry a positive 1 charge when it becomes an ion?
Gallium
Potassium
Calcium
Bromine
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monster
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star
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fairy
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banana
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15
×
Which of the elements below has the smallest ionization energy?
bromine (Br)
sodium (Na)
francium (Fr)
aluminum (Al)
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baam
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magnet
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gift
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thief
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15
×
Which of these elements has the largest atomic radius?
Silicon (Si)
Barium (Ba)
Bromine (Br)
Astatine (At)
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15
×
Which element listed is likely to be the most reactive?
beryllium
barium
strontium
magnesium
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15
×
In which energy level is the outer electron in rubidium located?
37
85
2
5
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15
×
Electronegativity is the ability of an atom to _____
attract electrons.
repel electrons.
repel protons.
attract neutrons.
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trap
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seesaw
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gift
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thief
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15
×
Which two elements would have the most similar atomic radii?
Aluminum and carbon
Boron and silicon
Beryllium and magnesium
Sodium and beryllium
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15
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Which element is a transition group metal and likely to exist in many different forms?
Rubidium
Manganese
Phosphorous
Barium
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