The group of elements that tend to gain electrons

Protons, neutrons, and electrons are called ___.

An atom or group of atoms with a positive or negative charge

The atomic number represents how many ___ there are

The ___ is the number of protons and neutrons added together in an atom

The name of the experiment used to discover the nucleus.

Electrons that are lost create this.

The scientist who discovered the neutron.

Atoms of the same element that have different numbers of neutrons.

The scientist who discovered the electron.

The first person to think about an atom’s existence.

Electrons that are gained create this type of ion.

The group of elements that tend to lose electrons.

The scientist responsible for the death of chemistry for over 2000 years

¹⁹₉F^-1 _{What is the Atomic number?}

¹⁹₉F^-1 _{What is the number of protons}

¹⁹₉F^-1 What is the mass number?

¹⁹₉F^-1 How many neutrons

¹⁹₉F^-1 How many electrons?

⁵⁵₂₆Fe⁺³ What is the atomic number?

⁵⁵₂₆Fe⁺³ What is the Mass number?

⁵⁵₂₆Fe⁺³ What is the number of neutrons?

⁵⁵₂₆Fe⁺³ What is the number of electrons?

which subatomic particle identifies the element?

What part of the atom makes up most of of its mass?

Most of the atom's volume is made up by the