Science Products from rocks

The atoms in an element are?

 The atoms in an element are all the same type

An atom consists of

An atom consists of a nucleus surrounded by electrons

What is the correct chemical symbol for sodium?

The correct chemical symbol for sodium is Na.

What do we get when two or more different types of atom join together using chemical bonds?

When two or more different types of atom join together using chemical bonds they form a compound

What are the groups in the periodic table?

The answer is a column of similar elements

What do chemical bonds involve?

Chemical bonds involve electrons being shared between two atoms.

 A unit of magnesium carbonate contains one magnesium atom, one carbon atom and three oxygen atoms. What is its chemical formula?

Which statement about chemical reactions is correct?

The mass of products EQUALS the mass of reactants.

The correct balanced equation for the reaction between magnesium and oxygen is

The correct balanced equation for the reaction between magnesium and oxygen is: 2Mg + O₂ ==> 2MgO