Fall Semester Exam Review

Front

What happens when the sodium atom loses an electron?

Back

It becomes positively charged.

Front

What is the empirical formula for C3H18?

Back

CH6

Front

This particle is found in the nucleus and has no charge.

Back

Neutron

Front

This contains most of the mass of an atom.

Back

Nucleus

Front

All electromagnetic waves have the same...

Back

speed.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded.

Front

What is the formula for calculating density?

Back

Density = Mass/Volume.