Counting Atoms

Front

What is the total number of atoms in H₂SO₄?

Back

7

Front

How many Magnesium atoms are in 10MgCl₂?

Back

10

Front

Are there any compounds on the periodic table?

Back

No, because only elements are on the periodic table.

Front

What is C₂H₈O?

Back

Compound

Front

Which of the following is a compound: Co, O₂, C, CO₂?

Back

CO₂

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded.

Front

What does the subscript in a chemical formula represent?

Back

The number of atoms of the element in the molecule.

Front

What is the chemical formula for water?

Back

H₂O