Chemistry Final Exam Review

Front

How does oxygen become an oxide ion?

Back

it gains 2 electrons

Front

What part of the atom does bonding involve?

Back

valence electrons

Front

How many valence electrons do MOST atoms need to be stable?

Back

8

Front

Aluminum reacts with oxygen to form a compound. What is the formula for this compound?

Back

Al₂O₃

Front

What are metal atoms likely to do to achieve a stable arrangement of 8 valence electrons?

Back

lose electrons

Front

In an ionic compound, the total positive charge of all the positive ions ___________ the total negative charge of all the negative ions.

Back

equals

Front

Where are valence electrons found?

Back

In the outermost energy levels of an atom.

Front

When an atom loses an electron, it becomes a

Back

positive ion

Front

How are ionic bonds formed?

Back

Transfer of electrons

Front

Why do elements bond?

Back

To become stable