manaoisd

Which of the following describes the element Ar?
Choose all that apply.

X+12=15 calculate x

Solve for w .

w^2−2w-8=0 If there is more than one solution, separate them with commas. If there is no solution, click on "No solution."

Solve for w .

|6w-12|=6

If there is more than one solution, separate them with commas. If there is no solution, click on "No solution".

Give the name for the following compounds : 11) C 14 H 12 12) O 13 Cl 18 13) SeO 7 14 ) C 5 P 1j 15 ) I 2 Br 16 16 ) C 17 H 20 17 ) As 19 Si 9 18 ) Te 6 F 5 19 ) P 10 S 3 20) CH 4