Element X is a solid metal with two valence electrons. Where would you place element X on the periodic table?

A. In family/group 1

B. In family/group 2

C. In family/group 12

D. In family/group 13

According to the tide table below what time of day will the highest tide occur?

Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles