ElementSymbol # of protons # of neutrons # of electron Atomic # Mass # Oxygen8816 SiliconSi141428 AluminumAl141313 Iron2656 Ca202040 BELLWORK: WEDNESDAY.
GOOD MORNING or AFTERNOON!!. Basic Chemistry Chapter 2.
The Atom. Basic Atomic Theory Atom = “indivisible” in Greek Atoms are indivisible and indestructible Atoms of same element are identical Compounds.
