SCIN 131 Week 3 Quiz / SCIN131 Week 3 Quiz: American Military University

Quiz Week 3 Lesson SCIN 131 AMU
Feb 26, 2021 11:55 PM
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points
`How would you correctly classify NaBr?
Question options:

molecular compound
polyatomic ion
atomic element
molecular element
ionic compound
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points
What are the ions present in the compound CO2?

Question options:

C2+, 2 O-


C2+, O2-


C4+, O2-


no ions present


C2+, O22-

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points
The name for Ba(OH)2 is

Question options:

barium hydroxide
beryllium hydroxide

, boron hydroxide
barium hydrate
barium hydrogen oxide
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points
If a formula contains 2 nitrogen atoms and 4 oxygen atoms, what is the correct chemical
formula?
Question options:

N2O4

NO
2N4O

N4O2


O4N2

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points
If you were to count the numbers of each type of atom in the formula Mg3(PO4)2, what would the
answer be?

Question options:

Mg = 3, P = 2, O = 4
Mg = 3, P = 2, O = 8
Mg = 3, P = 1, O = 8
Mg = 3, P = 1, O = 4
none of the above
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points
`When compounds form, which of the following statements is true about the elements that form
them?
Question options: