t4 p2

Question 1

alkali metals are very reactive bc

Answer 1

electrons tend to be formed in pairs and alkali metals have an unpaired electron and tends to get rid of the electron by forming a compound

Question 2

alkaline earth metals, reactive or not

Answer 2

fairly reactive

Question 3

the noble gases ae generally unreactive and thus also called ____ gases

Answer 3

inert gases

Question 4

why r noble gases unlikely to react with other elements?

Answer 4

bc they dont have any unpaired electrons in their outermost energy level

Question 5

noble gas: _____is used in common light bulbs bc it doent react with the metal at high temperature

Answer 5

argon

Question 6

noble gas _____ is used to inflate large aircrafts, weather balloons bc it is nonflammable

Answer 6

helium

Question 7

noble gas _ is used in sign tubing bc it glows bright red when electricity passed thru it

Answer 7

neon

Question 8

halogens is unreactive/ reactive?

Answer 8

halogens are reactive, they also hv an unpaired electron

Question 9

halogens form ___ when react with ______

Answer 9

salt

metal

Question 10

halogens: _____ is used in toothpaste and added to drinking water to strengthen the enamel of teeth against decay

Answer 10

fluoride