Chemistry

Chemistry

WHAT IS CHEMISTRY

the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.

ELEMENTS OF THE PERIODIC TABLE

periodic table, in full periodic table of the elements, in chemistry, the organized array of all the chemical elements in order of increasing atomic number—i.e., the total number of protons in the atomic nucleus. 

what is the most popular element on the periodic table

• Hydrogen

• Oxygen

• Helium

• Carbon

Multiple Choice

helium

• H

• He

• N

• O

• Mg

WHAT DO YOU KNOW

we know about the periodic table and the elements

Multiple Choice

Nitrogen

• N

• O

• Al

• Au

Poll

gold

• Au

• C

• B

• Fe

Multiple Select

hydrogen is the first element

• True

• False

• True

• False