Fall Semester Exam Review

Front

What do covalent compounds do?

Back

Covalent compounds share electrons.

Front

What is the electron configuration of Silver (Ag)?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d⁹

Front

What is the name of Mg₃N₂?

Back

Magnesium nitride.

Front

How many significant figures does the number 0.002040 have?

Back

4 significant figures.

Front

What is the chemical formula of iron (III) bromide?

Back

FeBr₃.

Front

What is the definition of a covalent bond?

Back

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full set of eight valence electrons.

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.

Front

What is the significance of significant figures in measurements?

Back

Significant figures indicate the precision of a measurement and help convey the uncertainty in the data.

Front

What is the formula for calculating the number of significant figures?

Back

Count all non-zero digits, any zeros between them, and trailing zeros only if there is a decimal point.