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Common Chemical Formulas

Authored by Jared Clark

Science

6th - 8th Grade

NGSS covered

Used 58+ times

Common Chemical Formulas
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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chemical formula for water

HCl

NaCl

O₂

H₂O

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chemical formula for oxygen gas

HCl

NaCl

O₂

H₂O

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The chemical formula for hydrochloric acid

HCl

NaCl

O₂

H₂O

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number of subscripts in a chemical formula tell us ______.

the number of atoms of a specific element in the chemical formula

the number of compounds in the chemical formula

nothing

the number of electrons of a specific element in the chemical formula

Tags

NGSS.MS-PS1-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many hydrogen atoms are in one water molecule? (water = H2O)

0

1

2

3

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many carbon atoms are in one molecule of carbon dioxide? (carbon dioxide = CO2)

0

1

2

3

Tags

NGSS.MS-PS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many atoms IN TOTAL make up one molecule of glucose? (glucose = C6H12O6)

6

12

18

24

Tags

NGSS.MS-PS1-1

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