Terms to Learn #4 ATOMS

Front

What is the center of the atom that contains protons and neutrons and has a positive charge called?

Back

Nucleus

Front

What is the negatively charged particle that orbits the nucleus of an atom called?

Back

Electron

Front

What is the number in each box of the periodic table that represents the number of protons in the nucleus of each atom called?

Back

Atomic Number

Front

What is a pure substance made of only one kind of atom called?

Back

Element

Front

What is the smallest unit of matter; made of electrons, neutrons, and protons?

Back

Atom

Front

What is the term for a substance that cannot be broken down into simpler substances by chemical means?

Back

Element

Front

What is the positively charged particle found in the nucleus of an atom called?

Back

Proton

Front

What is the neutral particle found in the nucleus of an atom called?

Back

Neutron

Front

What is the term for the arrangement of electrons around the nucleus of an atom?

Back

Electron Configuration

Front

What is the term for atoms of the same element that have different numbers of neutrons?

Back

Isotopes