Ionic and Covalent Bonds

Front

What are valence electrons?

Back

Valence electrons are the electrons located in the outermost energy level of an atom, which are involved in chemical bonding.

Front

Where are valence electrons found?

Back

Valence electrons are found in the outermost energy level of an atom.

Front

What happens to an atom with 1 valence electron when it needs a full shell?

Back

It is more likely to lose 1 electron rather than gain 7.

Front

What is the Lewis dot diagram for Oxygen (O)?

Back

The Lewis dot diagram for Oxygen shows 6 valence electrons represented as dots around the symbol 'O'.

Front

How many valence electrons does Magnesium (Mg) have?

Back

Magnesium has 2 valence electrons.

Front

What do group numbers on the periodic table indicate?

Back

Group numbers indicate the number of valence electrons in the elements of that group.

Front

What type of bond is formed when electrons are shared between atoms?

Back

A covalent bond is formed when electrons are shared between atoms.

Front

What type of bond is formed when electrons are transferred from one atom to another?

Back

An ionic bond is formed when electrons are transferred from one atom to another.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons.

Front

What is a cation?

Back

A cation is a positively charged ion that is formed when an atom loses one or more electrons.