Which substance has the following orbital diagram? 1s 2s 2p 3s 3p

Group of answer choices

Al3+

Ca2+

P

S

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

How many neutrons does a atom of cobalt have?

Which is a chemical property of iron? a. it forms iron oxide (rust) when exposed to moisture and air. b. it is a gray–black metal that is hard to the touch. c. it has a melting point of 2795°f (1536°c). d. it is a good conductor of heat