Chemical Formulas

Front

How many Aluminum are in Al₂O₃?

Back

2

Tags

NGSS.MS-PS1-1

Front

The small number to the right of an elemental symbol (H₂) is called?

Back

a subscript

Front

How many elements are in C₆H₁₂O₆?

Back

3

Tags

NGSS.MS-PS1-1

Front

Which are the reactants in the following reaction? 2Mg + O₂ ---> 2MgO

Back

2Mg and O₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

How many carbon atoms (C) are in a CO₂ molecule?

Back

1

Tags

NGSS.MS-PS1-1

Front

What is a chemical formula?

Back

A representation of a substance using symbols for its constituent elements and numbers to indicate the ratio of atoms.

Front

What does a coefficient in a chemical equation represent?

Back

The number of molecules or moles of a substance involved in a reaction.

Tags

NGSS.MS-PS1-1

Front

What is the difference between a subscript and a coefficient?

Back

A subscript indicates the number of atoms of an element in a molecule, while a coefficient indicates the number of molecules.

Front

What is the chemical formula for water?

Back

H₂O

Tags

NGSS.MS-PS1-1

Front

How many oxygen atoms are in 2H₂O?

Back

2

Tags

NGSS.MS-PS1-1