Quiz about Counting Atoms

Question 1

Which is the correct formula for:
three hydrogen (H)
one sulfur (S)
four oxygen (O)

Accepted Answer

H3SO4

Answer

HSO4

Answer

H4S3O

Answer

H2O

Question 2

How many Elements are in the compound C₂H₈O ?

Accepted Answer

3

Answer

2

Answer

1

Answer

0

Question 3

How many total atoms are in the compound C₂H₈O ?

Accepted Answer

11

Answer

2

Answer

8

Answer

1

Question 4

How many Aluminum are in Al₂O₃?

Accepted Answer

2

Answer

3

Answer

5

Question 5

How many Sodium (Na) are in 6NaCl?

Accepted Answer

6

Answer

1

Answer

12

Question 6

How many Chlorine are in MgCl₂?

Accepted Answer

2

Answer

1

Answer

3

Question 7

How many Magnesium are in 10MgCl₂?

Accepted Answer

10

Answer

5

Answer

20

Question 8

How many Nitrogen are in 2AlN?

Accepted Answer

2

Answer

4

Answer

5

Answer

1

Question 9

How many atoms are there TOTAL in:
H₂SO₄

Accepted Answer

7

Answer

6

Answer

5

Answer

3

Question 10

How many elements are in C₆H₁₂O₆?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 11

How many atoms of Hydrogen are in this compound

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 12

How many atoms of Oxygen are in this compound?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 13

How many atoms are in the element Carbon in this compound?
H₂C₃O₄N₅

Accepted Answer

3

Answer

2

Answer

4

Answer

5

Question 14

How many TOTAL atoms are in this compound?
H₂C₃O₄N₅

Accepted Answer

14

Answer

5

Answer

15

Answer

19

Question 15

In this compound structure of alcohol, how many Hydrogen atoms are there?

Accepted Answer

6

Answer

2

Answer

4

Answer

8

Question 16

What is the number of protons that the element in this image contain?

Accepted Answer

7

Answer

14

Answer

15

Answer

18

Question 17

a capital letter or combination of a capital letter and a small letter that is used to represent an element is called a(n) ________

Accepted Answer

chemical symbol

Answer

element sign

Question 18

a capital letter or combination of a capital letter and a small letter that is used to represent an element is called a(n) ________

Accepted Answer

chemical symbol

Answer

element sign

Question 19

Which is the correct formula for:
three hydrogen (H)
one sulfur (S)
four oxygen (O)

Accepted Answer

H3SO4

Answer

HSO4

Answer

H4S3O

Answer

H2O

Question 20

How many Hydrogen are in 4H₂O?

Accepted Answer

8

Answer

6

Answer

2

Answer

4

Question 21

How many Oxygen atoms are in H₂O?

Accepted Answer

1

Answer

2

Answer

0

Answer

4

Question 22

How many Magnesium atoms are in 10MgCl₂?

Accepted Answer

10

Answer

5

Answer

20

Question 23

How many elements are in C₆H₁₂O₆?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 24

How many Sodium atoms are in 6NaCl?

Accepted Answer

6

Answer

1

Answer

12

Question 25

What is C₂H₈O ?

Accepted Answer

Compound

Answer

Element

Answer

Letters

Answer

Numbers

Question 26

How many atoms are there TOTAL in:
H₂SO₄

Accepted Answer

7

Answer

6

Answer

5

Answer

3

Question 27

How many Aluminum are in Al₂O₃?

Accepted Answer

2

Answer

3

Answer

5

Question 28

How many Magnesium are in 10MgCl₂?

Accepted Answer

10

Answer

5

Answer

20

Question 29

How many total atoms are in the compound C₂H₈O ?

Accepted Answer

11

Answer

2

Answer

8

Answer

1

Question 30

How many molecules are in 10MgCl₂?

Accepted Answer

10

Answer

5

Answer

20

Question 31

How many atoms of Oxygen are in this compound?

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 32

How many atoms of Hydrogen are in this compound?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 33

How many atoms of Hydrogen are in this compound?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 34

How many elements are in the following?
C₂H₈O

Accepted Answer

3

Answer

2

Answer

1

Answer

0

Question 35

How many total atoms are in the following?
C₂H₈O

Accepted Answer

11

Answer

2

Answer

8

Answer

10

Question 36

Carbon is a(n)...

Accepted Answer

element

Answer

compound

Answer

number

Answer

food

Question 37

How many atoms of each element are in NaCl?

Accepted Answer

Na=1, Cl=1

Answer

Na=2. Cl=2

Answer

Na=1, Cl-2

Question 38

How many elements are in this compound?... NaHCO₃

Accepted Answer

4

Answer

3

Answer

5

Answer

6

Question 39

How many elements are in this substance: CaCO₃

Accepted Answer

3

Answer

2

Answer

4

Answer

5

Question 40

How many elements are in... N₂O ?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 41

4 NaCl represents several molecules of table salt. How many atoms of chlorine are present in this example?

Accepted Answer

4

Answer

1

Answer

8

Question 42

5 N₂O represents the laughing gas you might have at the dentist. How many atoms of nitrogen are present here?

Accepted Answer

10

Answer

1

Answer

2

Answer

7

Question 43

C₈H₁₀N₄O₂ has how many elements?

Accepted Answer

4

Answer

24

Answer

1

Question 44

Caffeine is represented here: C₈H₁₀N₄O_{2 ...}How many atoms are present?

Accepted Answer

24

Answer

4

Answer

18

Answer

32

Question 45

C₈H₁₀N₄O₂ has how many hydrogens?

Accepted Answer

10

Answer

1

Answer

2

Answer

4

Question 46

How many CARBONs are in this formula?

Accepted Answer

4

Answer

1

Answer

8

Answer

12

Question 47

How many total POTASSIUM atoms are in this formula?

Accepted Answer

8

Answer

2

Answer

4

Answer

12

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