The 3 basic components of an atom are:

An element is determined by the number of

The nucleus of an atom consists of

A single proton has what electrical charge?

Which particles have approximately the same size and mass as each other?

Which two particles would be attracted to each other?

The atomic number of an atom is ALWAYS equal to:

Changing the number of neutrons in an atom causes it to be a(n):

When you change the number of electrons in an atom, you produce a different:

According to atomic theory, electrons are usually found:

An ion with a -1 charge

Mass number

Which of the following is true of oxygen with 8 protons, 8 neutrons, and 8 electrons?

Positive ions are called _____________ and they are formed by _____________ electrons.

Anions are _____________ ions and they are formed when an atom __________ electrons.

The atomic number of Lithium is__________.

The number of neutrons in an atom is

An isotope of Nitrogen-20 has __________ protons and ___________ neutrons.

How many electrons are in a H+ ion?

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