Periodic Table Basics

Front

What is the atomic number of Magnesium?

Back

12

Front

Which element is in group 9 period 4 of the periodic table?

Back

Cobalt

Front

What is the atomic mass of Boron?

Back

10.81

Front

What is a Period in the context of the periodic table?

Back

A horizontal row of elements.

Front

What is a Group in the context of the periodic table?

Back

A vertical column of elements.

Front

What element has the symbol 'Na'?

Back

Sodium

Front

What is the atomic number of Sodium?

Back

11

Front

Which element is a noble gas and has the atomic number 10?

Back

Neon

Front

What is the significance of the atomic number in the periodic table?

Back

It represents the number of protons in an atom's nucleus.

Front

What does the atomic mass of an element represent?

Back

The average mass of an element's isotopes.