Chapter 2 quiz

Which subatomic particles are found in the nucleus?

• Electron

• Proton and electron

• proton and neutron

• electron and neutron

An element is a pure substance that only consists of one type of atom

• true

• false

In a ionic bond electrons are shared

• true

• false

In covalent bonds electrons are...

• donated

• shared

• both

Water is a _____________________ molecule

• Polar

• nonpolar

The attraction between molecules of the same substance is

attraction between molecules of a different substance

salt and pepper mixed together is an example of a mixture

• true

• false

In salt water the salt is the ....

• solvent

• solute

A mixture of water and nondissolved materials is

• solution

• suspension