Periodic Table

Front

What are the two structures found in the atom's nucleus?

Back

Protons and Neutrons

Front

Which element was the first discovered?

Back

Carbon

Front

What subatomic particle has a positive charge?

Back

Proton

Front

Which of these is not a noble gas?

Back

Nitrogen

Front

Which one of the following items can be found on the periodic table of elements?

Back

Number of Protons

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a chemical symbol?

Back

A one or two-letter abbreviation used to represent an element.

Front

What are isotopes?

Back

Atoms of the same element that have different numbers of neutrons.

Front

What is the periodic law?

Back

The properties of elements are a periodic function of their atomic numbers.

Front

What is a group in the periodic table?

Back

A column of elements that have similar chemical properties.