parts of an atom

The part of the atom that was discovered last because it was neutral

Have many electron shells does calcium have?

An atom is mostly made of 

The part of the atom that is electricity is

The atomic particle with a positive charge is

A positive Ion

The part of the atom the only adds mass to the atom is

The person the developed the atomic theory

When an atom loses a proton

The kind of radioactivity when the atom loses an alpha particle

An atom's mass comes from the 

These atomic parts are found in the nucleus

An atom with the same number of protons, but a different number of neutrons is

How many electron shells does Lithium (Li) have?

When an atom becomes unstable (freaks out b/c it has to wear husky jeans) and releases particle

This kind of decay does NOT release any particles

When an atom gains neutrons, it

Where is the electron located in the atom

negative ion

The part of the atom that has almost no mass

How many valence electrons does sodium (Na) have?

The part of the atom that is in charge of chemical bonding is

All of the same kind of atoms

The person that come up with the idea of an electron

How many valence electrons does Neon (Ne) have?

The person that came up with the concept of the atom

The part of the atom that is negatively charged

The atomic number tells us the number of

To calculate the number of neutrons

The person that helped to discover the nucleus

A Beta particle is a neutron that splits into...

How many valence electrons does Potassium (K) have?

The kind of radioactivity that loses a Beta particle

An alpha particle is made up of...

The part of the atom that is in charge of the properties