8.3-9.3

Question 1

atoms lose, gain, or share electrons in order to acquire a full set of eight valence electrons

Answer 1

the octet rule

Question 2

bohr: electrons move in fixed in circular orbits around nucleus of an atoms. ALL electrons shown. Lewis: only shows valence electrons

Answer 2

the difference between a bohr’s model and lewis model

Question 3

an atom that is no longer neutral because it is either positive (loses e-) or negative (gains e-)

Answer 3

what an ion is

Question 4

an atom that is no longer neutral because it is either positive (loses e-) or negative (gains e-

Answer 4

what an ion is

Question 5

In any chemical reaction, matter is neither created nor destroyed it only changes form

Answer 5

the law of consecration of matter

Question 6

family #1 alkali metals family #2 alkali earth metals family #3 boron family family #4 carbon family family #5 nitrogen family family #6 oxygen family #7 halogens family #8 noble gases

Question 7

noble gases have a full outer energy level, they are stable themselves. they do not need compounds.

Answer 7

what is so special about noble gases

Question 8

each element competes each others octet by sharing electrons

Answer 8

what a covalent bond is