Which orbital do potassium's outermost electrons occupy? 4s 4p 4d 3s

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.

Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas