What is a chemical formula shown in simplest terms?
200
subatomic particle whose mass is negligible
What is an electron
200
unequal sharing of electrons
What is an ionic bond?
200
Helium, neon, argon, krypton, xenon, radon
What are the nobel gases?
200
molar mass
How is mass represented on the Periodic Table?
200
The number and kind of atoms present
What does a molecular formula show?
300
the view of the atom in which electrons have "quanta" of energy
What is the "Bohr atom" or the wave mechanical view of the atom
300
electronegativity
What is the ability of an atom to pull electrons towards its self
300
The principal quantum number
What does each row signify
300
isotope
What are atoms of the same type but with differing numbers of neutrons resulting in a different mass
300
Balance each part of the charge in the compound
How do we develop or make a chemical formula?
400
1s2 2s2 2p5
What is the atom fluorine
400
an attraction between atoms
What is a chemical bond?
400
Mendeleev and Mosley
Who is credited for creating the Periodic Table?
400
protons and neutrons
What makes up the mass of an atom?
400
To satisfy valence electron needs
Why do atoms bond together to form molecules and/or compounds?
500
has the same number of protons but different mass numbers
What is an isotope?
500
Van der Waal bonds
What are the weak attractive forces between the paired or unpaired valence electrons in one molecule or atom for the protons in the nucleus of another molecule or atom.