iClicker Session Topic 3 & 4 Flashcards
1
Q
A compound is made up of what?
A
Two or more elements.
2
Q
Vandium (IV) Nitride is what formula?
A
V3N4
3
Q
Ammonia is what formula?
A
NH30
4
Q
How do you calculate polarity of a bond?
A
You take the difference of the electronegativity of each atom.
5
Q
What is a lone pair of electrons?
A
A pair of valence electrons that are not shared with another atom.
6
Q
What is the trend of electronegativity on the periodic table?
A
Electronegativity goes up as you go up and accross the table.
7
Q
Transitional metals use what notation to describe there charge?
A
Roman numerals.
8
Q
How many extra valence electrons does anion nitrate (NO3-) have and why?
A
Nitrate has one extra valence electron because it has a negative 1 charge.
