Periodic Table Practice

Front

How many energy levels are in an atom of Cesium, Cs?

Back

6 energy levels.

Front

How many valence electrons are in an atom of Silicon, Si?

Back

4 valence electrons.

Front

Which group contains the most reactive metals?

Back

Group 1, 1A.

Front

What side of the periodic table would an element with metallic shiny luster, magnetic properties, and good conductivity be on?

Back

Left side of the periodic table.

Front

How many more electrons does Sodium, Na, have than Lithium, Li?

Back

8 more electrons.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What are the main categories of elements in the periodic table?

Back

Metals, Nonmetals, and Metalloids.

Front

What is a valence electron?

Back

An electron in the outermost shell of an atom that can participate in chemical bonding.

Front

What is the significance of the zigzag line on the periodic table?

Back

It separates metals from nonmetals.

Front

What are noble gases?

Back

Elements in Group 18 that are inert and have full valence shells.