Lecture 1A: Water - Polarity

Is water polar or nonpolar?

Polar

Does water have partial or full charges (partial or full only)? And which atoms hold what charge, answer with oxygen first (positive or negative only)?

separate answer by semicolon with one space

Partial; oxygen holds negative, hydrogen holds positive

What is a covalent bond?

A bond that shares electrons

What atom behaves similarly to oxygen?

Nitrogen

What is a hydrogen bond?

A weak non-covalent bond

True or false: water molecules are NOT attracted to each other.

Correct the statement is false after a semicolon and space.

False; water molecules are attracted to each other

True or false: Carbon dioxide has no polarity.

Correct the statement is false after a semicolon and space.

True

How many H bonds can a water molecule have in total?

4 bonds

How many bonds can the hydrogens have? And how many can the oxygen have?

2 H bonds for hydrogen; two H bonds for oxygen

Would water be a liquid without the attraction to other water molecules? If no, what would it be?

No; gas

What type of bond makes liquid oxygen possible?

Hydrogen bond