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7.6B and 8.6B Counting Atoms
By Mark Merrill
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Last updated about 6 hours ago
22 questions
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use the periodic table to identify the atoms and the number of each kind within a chemical formula;
use the periodic table to identify the atoms and the number of each kind within a chemical formula;
Use this
interactive website
to help you count atoms in a chemical formula.
Question 1
1.
How many elements are in the chemical formula above?
Question 2
2.
How many sodium (Na) atoms are in the chemical formula above?
Question 3
3.
How many sulfur (S) atoms are in the chemical formula above?
Question 4
4.
How many oxygen (O) atoms are in the chemical formula above?
Question 5
5.
How many total atoms are in the chemical formula above?
Question 6
6.
How many elements are in the chemical formula above?
Question 7
7.
How many cobalt (Co) atoms are in the chemical formula above?
Question 8
8.
How many nitrogen (N) atoms are in the chemical formula above?
Question 9
9.
How many oxygen (O) atoms are in the chemical formula above?
Question 10
10.
How many total atoms are in the chemical formula above?
Question 11
11.
How many elements are in the chemical formula above?
Question 12
12.
How many nitrogen atoms are in the chemical formula above?
Question 13
13.
How many hydrogen atoms are in the chemical formula above?
Question 14
14.
How many phosphorus atoms are in the chemical formula above?
Question 15
15.
How many oxygen atoms are in the chemical formula above?
Question 16
16.
How many total atoms are in the chemical formula above?
Question 17
17.
Which of the chemical formulas above involves the most elements?
Question 18
18.
Which of the chemical formulas above involves the fewest oxygen atoms?
Question 19
19.
Which of the chemical formulas above involves the most oxygen atoms?
Question 20
20.
Which of the chemical formulas above involves the most molecules?
Question 21
21.
Which of the chemical formulas above involves the least molecules?
Question 22
22.
Which of the chemical formulas above involves the most
total
atoms?
