TALK ABOUT ELEMENTS

_____________ is a pure substance that is made from a single type of atom.

What is the first element?

It is the number of protons in each atom.

The atomic number doesn’t corresponds to the number of protons.

• True

• False

There are currently 108 known elements.

• True

• False

An important number in an element is the atomic number.

• True

• False

This are the building blocks for all the rest of the matter in the world.

How many elements are naturally though to exist on earth?

Atomic Number of Nihonium (symbol Nh)

Symbol for Atomic Number 118