Chemical Bonding

Question 1

Ionic Bond

Answer 1

attraction between opposite charges of ions

Question 2

Binary Compounds

Answer 2

made of two elements (neutral)

Question 3

Polyatomic Ion

Answer 3

two or more ions bonded/and stay together, a group of charged atoms

Question 4

Oxidation Number

Answer 4

the number of electrons an atom had gained, lost, or shared to become stable

Question 5

To write formulas…

Answer 5

1.) find the oxidation number for each of the two elements
2.) one is positive and one is negative
ex. Al and S
Al+3 and S-2
3.) criss-cross and write subscripts only (no signs)
Al2 and S3

Question 6

Naming compounds…

Answer 6

1. ) write the name of the first element (cation)
2. ) write the root name of the second element (anion)
3. ) add -ide to the root (and prefix if needed)
   ex. Calcium trichloride