Periodic Table and Elements

Front

How many protons does Potassium (K) have?

Back

19

Front

As you go down the Periodic Table the size and mass of the atoms _________.

Back

increases

Front

How many neutrons can be found in an atom of Na (Sodium)?

Back

12

Front

When an atom gives away an electron it becomes

Back

a positive ion.

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 significance of the Periodic Table?

Back

It organizes elements based on their properties and atomic structure.

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 their lack of reactivity due to having a full outer electron shell.