Periodic Table

Front

What happens when an atom gives away an electron?

Back

It becomes a positive ion.

Front

Do Hydrogen and Helium have similar physical and chemical properties?

Back

False

Front

How many neutrons are in an atom of Sodium (Na)?

Back

12

Front

What are ions?

Back

Ions are elements that have a different number of electrons than protons, not just neutrons.

Front

Which element has properties similar to Calcium (Ca)?

Back

Magnesium.

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 periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What are alkali metals?

Back

Elements in Group 1 of the periodic table, highly reactive and have one electron in their outer shell.

Front

What are noble gases?

Back

Elements in Group 18 of the periodic table, known for being inert and having a full outer electron shell.