Unit 3 SE Review

Front

What are the steps needed to get from grams to particles?

Back

grams → moles → particles

Front

What does the Lewis Structure for CH₄ look like?

Back

The Lewis Structure for CH₄ shows a central carbon atom bonded to four hydrogen atoms, with single bonds between them.

Front

How many moles are in an 80 gram sample of Neon?

Back

4 moles

Front

What type of bond is formed between Calcium and Oxygen?

Back

They will form an ionic bond.

Front

What is an isomer?

Back

Isomers are compounds that have the same molecular formula but different structural formulas.

Front

What is the molar mass of Neon (Ne)?

Back

The molar mass of Neon is approximately 20.18 g/mol.

Front

How do you convert moles to grams?

Back

Multiply the number of moles by the molar mass of the substance.

Front

What is the formula for calculating moles?

Back

Moles = mass (g) / molar mass (g/mol)

Front

What is the significance of the octet rule in bonding?

Back

The octet rule states that atoms tend to bond in such a way that they have eight electrons in their valence shell, achieving stability.

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond formed by the sharing of electrons between two atoms.