Midterm Review 2021

Front

What is a cation's charge?

Back

A cation has a positive charge.

Front

How many electrons should Lithium have around its Lewis dot model?

Back

Lithium should have 1 electron around its Lewis dot model.

Front

Which is a halogen?

Back

Chlorine is a halogen.

Front

What is the formula to calculate density?

Back

Density = Mass / Volume.

Front

What is the density of a rock with a mass of 14g and a volume of 2cm³?

Back

The density of the rock is 7 g/cm³.

Front

What type of bond is formed between Li and O?

Back

An ionic bond is formed between Li and O.

Front

What is the charge of an anion?

Back

An anion has a negative charge.

Front

What is the significance of the octet rule in chemistry?

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 polar covalent bond?

Back

A polar covalent bond is a type of bond where electrons are shared unequally between two atoms.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.