Counting Atoms Practice

Front

The number in front of a compound or element is a

Back

Coefficient

Front

The number to the lower side of an element is a

Back

Subscript

Front

The coefficient in  3H₂O is

Back

3

Front

Identify the subscripts in the chemical formula: 3Fe₂O₄

Back

2,4

Front

The Coefficient (3) in the Chemical Formula, 3H₂O, tells you how many _____________ there are.

Back

Molecules of Water

Front

How many nitrogen atoms does NH₃ have?

Back

1

Front

How many oxygen atoms are in this chemical formula?

Back

6 oxygen atoms

Front

Bob puts 200 grams of ice into a pitcher with 900 grams of water. How many grams of water does Bob now have in the pitcher?

Back

1,100 g

Front

What is the law of conservation of mass?

Back

The mass of the reactants equals the mass of the products

Front

24 g of magnesium reacts with 38 g of fluorine to produce _____ g magnesium fluoride

Back

62