Periodic table
what element has the symbol O
Oxygen O2
What particle has a positive charge
Whaty element is used in pencils
Carbon(graphite)
what does the atomic number represent
Number of Protons
Which family includes Lithium
Alkali Metals
What do valence electrons do
Chemcial reactivity/bonding
what element has an atomic number 1
Hydrogen
what charge do Protons and Electrons have together in a nuetral atom
They balance to zero
what element has the symbol W
Tungsten
This tiny region at the center of the atom contains most of the mass
The nucleus