PS Chapter 3

This subatomic particle is the most massive of these three subatomic particles.

What is the currently accepted model of the atom?

This subatomic particle has a charge of +1e.

Carbon-14 is different from carbon-12 in that it has a different number of __________.

This subatomic particle is the smallest of these three subatomic particles.

This subatomic particle is found in the nucleus and has no electrical charge.

An anion has more __________ than __________.

This subatomic particle has a charge of –1e.

An anion has a negative charge because it has lost an electron.

The_is about 1836 times the mass of an electron. The slightly more massive_ is about 1838 times the mass of an electron

The law of electrostatic charges states that

Which of the following is not a way that an ion can be formed?

Quantum mechanics is a branch of physics that deals with __________.

Which of the following is a weighted average?

Copper-63 and copper-65 can never have the same number of __________.

Potassium-39 and potassium-41 always have the same number of __________.

The Bohr model of the atom is the most workable model to date.

Aristotle first called particles atomos, from which we get our word atom.

The quantity of this subatomic particle in an atom of a substance determines the atom's identity.