What is the correct electron configuration for an element with 5 electrons in the 3 d energy sublevel?
A. 152282263523p330
B. 1922s22p63s23p630
c. 1522s22p33 523p345230
D. 1s22s22p63523p645230

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

Which of the following electromagnetic waves can create ions?

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.