Elements, formulas, and subscripts

Front

What is the chemical formula for aluminum oxide?

Back

Al2O3

Front

How many total atoms are in the chemical formula Al2O3?

Back

5 (2 aluminum + 3 oxygen)

Front

What do we call the horizontal rows in the periodic table?

Back

Rows

Front

How many atoms of oxygen are in the formula CaCO3?

Back

3

Front

Which property is NOT characteristic of metals?

Back

Brittle

Front

What does it mean if a material is permeable?

Back

It allows liquids or gases to pass through it.

Front

What is the chemical formula for calcium carbonate?

Back

CaCO3

Front

What is the term for the vertical columns in the periodic table?

Back

Groups or Families

Front

What is the definition of a subscript in a chemical formula?

Back

A number written below and to the right of a chemical symbol indicating the number of atoms of that element.

Front

How many total atoms are in the formula C6H12O6?

Back

24 (6 carbon + 12 hydrogen + 6 oxygen)