Unknown element W has 2 valence electrons Unknown element X has 7 valence electrons? Which formula below shows the most likely outcome when elements W and X react?

A) WX

B) WX2

C) W2X

D) W2X2

Group of answer choices

Fill in the blank. the number of each type of element in the compound (other than 1) is represented by a small number to the right of the element symbol.

The material that keeps its new shape after it is stretched is called?

The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space. b. we'll know it immediately because it will be brighter than the full moon in the sky. c. we won't know about it until 600 years from now. d. none of the above.