The fundamental building blocks of chemistry
Rows are called..
Periods
What is in the nucleus?
Protons and nuetrons
A simple rule that states that atoms gain, lose or share electrons so that they have eight electrons in their outer valence shells.
Octet Rule
What holds atoms together in molecules?
Chemical Bond
What are the subatomic particles?
Protons, Neutrons, and Electrons
Columns are called
What is p+ ?
Protons
Atoms are more stable when the outer shells of their atoms have how many electrons?
8
What is transferred to get a full valence shell?
Electrons
Nucleus
What is the periodic table made up of?
Elements
How many electrons can the first energy level hold up to?
Describe the chemical reactivity of the ALKALI METALS.
Very Reactive
What is shared in covalent bonds?
What is the nucleus made up of?
Protons and neutrons
What elements are on the left side of the periodic table?
Metals
What is Mass Number - Atomic Number = ?
Neutrons
When ions have a full outer shell that means the atom is ..
Stable
What creates an ionic bond?
Bond between metal and non metal
An atom of the same element that has different number of neutrons.
Isotopes
What is on the right side of the periodic table?
What is the sequence to follow when adding the electrons to the Bohr models?
Clockwise motion (12:00, 3:00, 6:00 then 9:00)
Describe the chemical reactivity of the NOBLE GASES
Very stable/Not reactive
What is bond called?
Covalent/Molecular