Basic Chemistry Concepts

Front

What charge does a proton have and where is it located?

Back

Proton has a positive charge and is located inside the nucleus.

Front

What charge does an electron have and where is it located?

Back

Electron has a negative charge and is located outside of the nucleus.

Front

What charge does a neutron have and where is it located?

Back

Neutron has a zero charge and is located inside the nucleus.

Front

What is an element?

Back

Element is a simple substance that cannot be broken down into smaller parts or changed into another substance. Basic parts of an element is an atom.

Front

What is the atomic number?

Back

Atomic number is the number of protons of an atom in an element.

Front

What is a chemical symbol?

Back

Chemical Symbol is a one or two letter abbreviation used to represent a chemical element.

Front

What are periods in the periodic table?

Back

Periods are the horizontal rows of elements and elements have the same number of electron shells.

Front

What is the periodic table?

Back

Periodic Table is a table of the chemical elements arranged in order of atomic number.

Front

What is atomic mass?

Back

Atomic Mass is the sum of the protons and neutrons in the nucleus of that atom.

Front

What are alkali metals?

Back

Alkali Metals are the elements in Group 1 and have a single valence electron (1+) and are extremely reactive. Examples include Li, Na, K, Rb, Cs, Fr.