Which element has four times as many protons in its nucleus than are found in Neon? A. Si
B. Ca
C. Zr
D. Hg

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

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

Three alkali metals in group 1 are a. calcium, strontium, barium b. boron, aluminum, gallium c. sodium, potassium, rubidium d. fluorine, iodine, chlorine