Atoms and Periodic Table Review

What particle of an atom has a positive 1 charge?

An atom with a different number of  neutrons and a different atomic mass is called:

What two subatomic particles have about the same mass (are about the same size)?

Oxygen has an atomic mass of:

How many neutrons does Magnesium (Mg) have?

In a neutral atom, the number of __________ equals the number of electrons.

The mass of an electron is:

If Vanadium has 23 protons and an atomic mass of 50, how many neutrons does it have?

How many neutrons does Potassium (K) have?

What element has 47 protons?

The smallest subatomic particle is the:

In an atom, how do you find the number of electrons?

True or False: An atom is mostly empty space.

How do you find the number of neutrons in an atom?

How many protons does Manganese (Mn) have?

The electrons located in the outer most energy level (shell) are called:

Where is most of the mass of an atom located?

What is the atomic mass of Germanium (Ge)?

What element has 140.12 as its atomic mass?

What particle of an atom has a negative 1 charge?