Please help I am in need Which of the following sequences of elements would all have four valence electrons?

A.) B, Si, As, Te

B.) C, Si, Ge, Sn

C.) O, S, Se, Te

D.) Ga, Ge, As, Se

How will the emission of an alpha particle affect the atomic number of an atom

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.

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.