• When elements combine, compounds that have properties from those of the uncombined elements are formed.
Sodium (a metal that reacts explosively with water) combines with
chlorine (a poisonous gas) to form a white, crystalline
that is used to flavor food

d≈7.07in

step-by-step explanation:

yes

step-by-step explanation:

so of course you want to start by plugging the 5 in which goes to 7(5)+3(5)=50 because 7*5=35 and 3*5=15 and then add them together, then plug in the 5 to the other equation as well 9(5)+5=50 because 9*5= 45 and then add 5 and so yes they are equivalent.

idk what the heck he answer is, i’m just putting this here so i finish my account