Science
7th - 8th Grade
NGSS covered
Used 42+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which is most likely to form a negative ion?
an element from Group 17
a metal
an element from Group 1
an element with atoms that have eight valence electrons
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In order to have a stable arrangement of 8 valence electrons, metal atoms are likely to _______ electrons.
gain
lose
destroy
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Name the following compound:
MgO
Magnesium Oxygen
Magnesium Oxygenate
Magnesium Oxide
Manganese Oxygen
Tags
NGSS.MS-PS1-1
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Because the force of attraction between the positive and negative ions is so strong, ionic compounds have _______ melting points.
low
moderate
high
Tags
NGSS.MS-PS2-5
5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Check all that apply:
When a neutral atom gains an electron...
it gains a negative charge
it becomes a negative ion
it becomes a positive ion
it gains a positive charge
6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Check all that apply:
When a neutral atom loses an electron...
it gains a negative charge
it becomes a negative ion
it becomes a positive ion
it gains a positive charge
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
_______ is the attraction between two oppositely charged ions.
covalent bond
valence bond
ionic bond
isotopic bond
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