1
Ammonia molecule (on board)
electrons
What is six?
SF6
What is sulfur hexafluoride?
Diphosphorus - Phosphorus electronegativity 2.2
What is a non-polar molecule?
Between transition metals with low electronegativites; a sea of shared electrons
What are metallic bonds?
Molecules made of exactly two atoms.
What are diatomic molecules?
Atoms share, gain or lose electrons, and electrostatic attractions hold atoms together.
What are chemical bonds?
Ammonia molecule -
Hydrogen - electronegativity of 2.2
Nitrogen - electronegativity of 3.04
What is a polar molecule?
CuSO4 ------- six (6)
How many atoms in the chemical formula?
Eight electrons in the valence energy level.
What is the octet rule stating that atoms are generally most stable?
Covalent bonds
What is shared electrons; not always equally shared.
Between oppositely charged atoms; very different electronegativities.
What are ionic bonds?
molecules; crystals
What does covalent bonding and ionic bonding forming?
ammonia molecule (on board) H = 2 N = 8
What is the Lewis structure having the outer energy level at full capacity?
Unequal distribution of electric charge.
What is polarity?
Diatomic nitrogen forming triple bonds
What is nitrogen needing three additional electrons to complete its octet?
What is the properties of water are different from the properties of hydrogen and oxygen.
K3N
What is the chemical formula for potassium nitride?
an atom with high electronegativity
What is an atom most likely to take valence electrons in ionic bonding?
3 Oxygen
1 Sulfur
What is sulfur trioxide?
Two valence electrons in their first energy level; H, He, LI, Be, B
What are exceptions to octet rule?
A group of covalently bonded atoms that together have a net charge.
What is a polyatomic ion?
formed between nonmetals; two atoms sharing electrons.
What are covalent bonds?
Calcium
Chlorine
Chemical Formula
Ratio
What is CaCl2. 1:2
What is the Lewis structure for potassium flouride?
Number on an atom.
What is a subscript?