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Elements and Compounds

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How many elements are in HCN?

3

How many atoms of magnesium are in 2MgOH?

2

What elements are in CO2?

Carbon and Oxygen

What elements are in KBr?

Potassium and Bromine

How many atoms of bromine are in LiBr4?

4

How many total atoms are in 3 NaCl?

6

What elements are in CH4?

Carbon and Hydrogen

How many elements are in C6H12O6?

3

How many total atoms are in 2 CaSiO3?

10

Element or Compound: O2

Element

Element or Compound: Au

Element

What is the ratio of Hydrogen to Oxygen in H2O?

2 to 1

What is the ratio of Carbon to Oxygen in CO2?

1 to 2

What elements are in H2O?

Oxygen and Hydrogen

Element or Compound: Glucose molecule

Compound

Element or Compound: NaCl

Compound

How many elements are in HCl?

2

How many total atoms are there in CO2?

3

Element or Compound: H2O

Compound

How many elements are in O2?

1

How many atoms of carbon are in 2HeCH?

2

How many atoms of Oxygen are in 2NO2

4

How many total atoms are there in C2H6?

8

What elements are in NaCl?

Sodium and Chlorine

Element or Compound: Carbon atom

Element

What elements are in Fe2O3?

Iron and Oxygen