Liquids

The only pure non-water liquid that a person in pre-modern times would run into would be ___

• blood

• bromine

• mercury

• liquid fats

Which two elements are liquid at room temperature?

• bromine and mercury

• bromine and gallium

• gallium and rubidium

• rubidium and mercury

Which non-toxic brittle metal will melt in the palm of your hand?

• francium

• mercury

• aluminum

• gallium

Which moon of Saturn is so cold that methane is liquid on its surface?

• Mercury

• Iapetus

• Dione

• Titan

The attractive forces which mediate interactions between molecules are collectively called ___

• intermolecular forces

• intramolecular forces

• gravitational forces

• adhesive forces

Using electricity, water can be split into ___

• solid and liquid phases

• solid and gas phases

• hydrogen and oxygen

• peroxides of hydrogen

Which weak intermolecular force is based on the temporary clustering of electrons inside of molecules?

• London dispersion forces

• dipole-dipole forces

• hydrogen bonding

• gravitational forces

Which intermolecular force is most notable in noble gases, and non-polar molecules?

• London dispersion forces

• dipole-dipole forces

• hydrogen bonding

• gravitational forces

A separation of charges, like areas of partial positive and negative in a polar molecule, is called ___

• a dipole

• a monopole

• a magnetic pole

• a flagpole

The attractive forces between polar molecules, such as hydrogen bromide, are called ___

• London dispersion forces

• dipole-dipole forces

• bromide bonds

• Holmes and Watson forces