Science
9th Grade
Used 5+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Would NaCl have an ionic or covalent bond?
Ionic
Covalent
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The difference between an ionic compound and a molecular compound is:
Molecular compounds involve 2 metals.
Ionic compounds involve 2 non-metals.
Molecular compounds are usually conductive.
Ionic compounds involve metals and non-metals.
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following elements would form cations?
Oxygen
Potassium
Calcium
Nitrogen
Helium
4.
OPEN ENDED QUESTION
2 mins • Ungraded
How do anions form? Why do they have a negative charge?
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5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Alkali metals prefer to ___________ electrons to have a full valence shell. This means they will be ___________ charged.
(a)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many chlorine atoms are needs to balance aluminum?
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many bromine atoms are needed to balance Beryllium?
1
2
3
4
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