What is the only metal that is a liquid at room temperature?

a.) mercury

b.) lithium

c.) magnesium

d.) scandium

Which formulas represent two polar molecules? A) CO2 and HCl B) CO2 and CH4 C) H2O and HCl D) H2O and CH4

Which substance has the most ionic characteristics LiCl, NaCl, KCL, or FrCl

What is indirect evidence in science

What is the mass of one mole of aluminum. (Show work)

A substance has an empirical formula of CH2 and a molar mass of 56 grams per mole. The molecular formula for this compound is A C4H8. B C4H6. C CH2. D C8H4.

Which uses of iron are due to its chemical properties? Select two options. producing colored sparks in fireworks changing from liquid to gas at 2,862°C rusting in the presence of water and oxygen changing from solid to liquid if heated to 1,538°C

What type of sedimentary rock is formed from mechanical weathering debris

What type of energy travels in the form of electromagnetic waves?

At the same pressure, about 25 times more co2 will dissolve in plasma as o2. why does this occur?

Describe what occurs when a gas is collected by water displacement, including why a table of water vapor pressure values is needed.