Periodic table
Atomic Structure
100

what element has the symbol O

Oxygen O2

100

What particle has a positive charge 

Proton
200

Whaty element is used in pencils 

Carbon(graphite)

200

what does the atomic number represent 

Number of Protons 

300

Which family includes Lithium

Alkali Metals

300

What do valence electrons do 

Chemcial reactivity/bonding 

400

what element has an atomic number 1

Hydrogen

400

what charge do Protons and Electrons have together in a nuetral atom

They balance to zero 

500

what element has the symbol W 

Tungsten

500

This tiny region at the center of the atom contains most of the mass

The nucleus