Ch 4 review

Which particle has no charge but adds mass to the atom?

The energy level closest to the nucleus has the _____ amount of energy

How many neutrons are in one atom of carbon?

Which particle has a positive charge?

Which particle is responsible for the reactivity of an atom?

Which scientist performed the gold foil experiment?

The scientist who discovered that electrons reside in different energy levels is

Which scientist performed the charged particle experiment in the cathode ray tube?

An atom with a changed number of neutrons is a(n)

Who is known as the Father Of Atomic Theory

The Greek philosopher who coined the word "atomos" is

To change the charge of an atom, you must change the number of

Which experiment proved atoms are mostly empty space with the positive charge in the center?

Which is the smallest subatomic particle and has almost no mass?

When an atom is at ground state,

What two particles are in the nucleus?

Which experiment proved the existence of negatively charged particles?

T or F: The different energy levels require the same amount of energy to jump between levels

An atom with 10 protons, 10 neutrons, and 12 electrons has a charge of

The name of the element is determined by the number of

When electrons absorb energy and move up to a higher energy level, they are

Who performed the cathode ray tube energy beam experiment?

The atomic mass tell you the number of

The number of protons in an atom is known as the atom's

Which particle has a negative charge?

In an atom, the positive charge is concentrated in the

T or F: All electrons require the same amount of energy to jump from level to level

Thomson's experiments showed that atoms

Who discovered the neutron?