Atoms and the Periodic Table

These particles have a negative charge and are found outside of the nucleus.

This is the basic unit of an element.

Use this number to determine the number of protons in one atom of any element.

These are particles with a positive charge that are found in the nucleus.

This element has an atomic mass (rounded) of 108 amu.

This periodic group contains at least one metalloid.

This is a vertical (up and down) column on the Periodic Table.

These elements are malleable, conductive, and ductile.

This is a horizontal (side-to-side) row on the Periodic Table.

These are particles that have no charge that are found in the nucleus.

Complete the sentence: Most elements are...

This periodic group is only composed of non-metals.

This is the mass of the protons and neutrons in one atom of any element.

This element has 79 protons.

This is the center of the atom that is composed of protons and neutrons.

These elements are semi-conductive.

This periodic group is only composed of metals.

This is a layer of electrons that all have the same amount of energy.

This is an abbreviation of an element's name, consisting of one or two letters.

This element has 33 electrons.

These elements are non-conductive.