Writing Chemical Equations from Word Equations

Multiple Choice

In an equation, the symbol for a substance in water solution is followed by

• (l)

• (g)

• (aq)

• (s)

Open Ended

Why do some elements exist as diatomic molecules in nature?

Multiple Choice

For the formula equation 2Mg + O₂ ---> 2MgO, the word equation would begin

• Manganese plus oxygen . . . .

• Molybdenum plus oxygen . . . .

• Magnesium plus oxygen . . . .

• Heat plus oxygen

Multiple Choice

When hydrogen reacts with sulfur, a smelly gas, dihydrogen monosulfide, is produced.

• H₂ + S → HS

• H₂ + S → H₂S

• H + S→ HS

• H + S→ H₂S

Multiple Choice

Translate the word equation below.

Carbon Dioxide and Hydrogen react to form Methane (CH₄) and Water

• $$CO_{2_{\ }}+\ H_2O\ \rightarrow\ CH_4\ +H_2\$$

• $$CO_2\ \rightarrow\ H_2\ +\ CH_4\ +\ H_2O$$

• $$CO_2\ \ +\ H_2\ +\ CH_4\ \ \rightarrow\ H_2O$$

• $$CO_2\ \ +\ H_2\ \rightarrow\ CH_4\ +\ H_2O$$

Multiple Choice

Translate the word equation below.

Hydrogen and Carbon Dioxide react to form Carbonic Acid (H₂CO₃).

• $$H\ +\ CO_2\ \rightarrow\ H_2CO_3$$

• $$H\ \rightarrow\ CO_2\ +\ H_2CO_{3_{ }}$$

• $$H_2\ +\ CO_2\ \rightarrow\ H_2CO_3$$

• $$H_2\ \rightarrow\ CO_2\ +\ H_2CO_3$$

Drag and Drop

How many elements are in 2 C₆H₁₂O₇?

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How many C: ​

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How many H: ​

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How many O: ​

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How many TOTAL atoms: ​

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Drag these tiles and drop them in the correct blank above

3

12

24

14

50

7

6

25

52

60