Periodic Table atomic practice

What is the atomic number of Helium?

Answer explanation

It's the top number in the box of the periodic table.

What is the atomic number of cobalt?

Answer explanation

It's the number at the top of the box.

What's the atomic number of sodium?

Answer explanation

It's the number at the top of the box.

How many protons does Hydrogen have?

Answer explanation

The number of protons is the same as the atomic number.

How many protons does iron have?

Answer explanation

The number of protons is the same as the atomic number.

How many protons does chlorine have?

Answer explanation

The number of protons is the same as the atomic number.

How many protons does neon have?

Answer explanation

The number of protons is the same as the atomic number.

How many electrons does carbon have?

Answer explanation

In an uncharged element, protons = electrons.

How many electrons does potassium have?

Answer explanation

In an uncharged element, protons = electrons.

How many electrons does argon have?

Answer explanation

In an uncharged element, protons = electrons.