Understanding Chemical Compounds
Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard
Evelyn Hayes
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a compound with sodium, oxygen, and hydrogen, how many atoms are there if there are no subscripts or coefficients?
2 atoms
1 atom
4 atoms
3 atoms
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a compound has a subscript of 3 next to oxygen and a coefficient of 4, how many oxygen atoms are present?
12 oxygen atoms
4 oxygen atoms
16 oxygen atoms
3 oxygen atoms
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a compound with hydrogen, nitrogen, and oxygen, what is the total number of atoms if the coefficient is 4 and the subscript for oxygen is 3?
16 atoms
22 atoms
18 atoms
20 atoms
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many hydrogen atoms are there in a compound with a subscript of 2 inside parentheses and a coefficient of 4?
8 hydrogen atoms
4 hydrogen atoms
10 hydrogen atoms
6 hydrogen atoms
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a compound with magnesium, oxygen, and hydrogen, if the subscript outside the parentheses is 2 and the coefficient is 4, how many magnesium atoms are there?
2 magnesium atoms
8 magnesium atoms
4 magnesium atoms
6 magnesium atoms
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