Physical Science: Atomic Structure

Front

Which two elements have similar chemical properties?

Back

Lithium & Potassium

Front

Which of the following is the least reactive?

Back

Neon

Front

How many neutrons does this isotope contain?

Back

8

Front

mass # - proton # = ?

Back

neutron #

Front

Atoms that are electrically neutral have a(n) _____________ number of protons and electrons.

Back

equal

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the charge of a neutron?

Back

Neutrons have no charge (neutral).

Front

What is the maximum number of electrons in the first shell of an atom?

Back

2 electrons.

Front

What is the periodic table?

Back

A tabular arrangement of elements based on their atomic number and properties.