Chem Midterm Review 5

Ions are different than atoms in that they differ in their numbers of...

Atoms contain charged particles. How can they be electrically neutral?

Carbon's mass number is 12.01 g/mol. Why isn't this a whole number?

What particle is about 1/2,000 times smaller than a hydrogen atom?

Ions and "parent atoms" always have the same number of...

Metals tend to form what type of ion?

An atom contains 15 protons and 18 neutrons. Its atomic number is...

The outer electron configuration for nitrogen has...

To what group does sulfur belong?

The nucleus contains...

Most nonmetals are found on what side of the periodic table?

To what group do magnesium and calcium belong?

Isotopes have different numbers of...

Most metals are found on what side of the periodic table?

In chemistry, 1 mole is defined as:

Why is Francium larger than Sodium?

What is the "base unit" for amount of matter?

Cations have what type of charge?

An atom contains 15 protons and 18 neutrons. Its mass number is...

Atoms of main-group elements form ions so that the number of electrons in the valence shell is