Which planetary body was opportunity designed to explore?

A. Mars

B. saturn

C. Pluto

D. The moon

Which elements would be the equivalent of the noble gases? Express your answers as chemical symbols. Enter your answers in order of increasing atomic number separated by commas.

What is the final volume if 3.4 L of nitrogen gas at 400 K is cooled to 200 K and kept at the same pressure?

What has a neck but no head

Which statement explains why Br2 is a liquid at STP and I2 is a solid at STP? (1) Molecules of Br2 are polar, and molecules of I2 are nonpolar. (2) Molecules of I2 are polar, and molecules of Br2 are nonpolar.

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. Al (OH) 3 + H2SO4 → Al2 (SO4) 3 + H2O The table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory.

How many dozen kernels of corn are in a 50 pound bag of corn

How does magnesium obey the octet rule when reacting to form compounds

Is heat conductivity a physical or chemical property?

When 5800 joules of energy are applied to a 15.2-kg piece of lead metal, how much does the temperature change by

What is 230 in scientific notation?