Chemistry of Life Review

What three particles make up the atom?

• proton, neutron, ion

• proton, neutron, electron

• proton, electron, ion

• ion, isotope, proton

A neutron has this charge

• positive

• negative

• neutral

How many seasons of Mighty Morphin Power Rangers were there?

• 1

• 2

• 3

• 4

a covalent bond is formed as a result of

• transferring electrons

• sharing electrons

• transferring protons

• sharing protons

If an atom contains 4 protons, 5 neutrons, and 4 electrons its mass number would be

• 4

• 7

• 8

• 9

Isotopes are atoms of the same element with the same number of protons and a different number of

• electrons

• molecules

• neutrons

• ions

If an atom contains 12 protons and 13 neutrons its atomic number is

• 1

• 11

• 12

• 13

This is the joining of two or more elements in definite amounts

• compound

• isotope

• nucleus

• enzyme

What makes up a molecule of water?

• one hydrogen and one oxygen

• two hydrogen and two oxygen

• two hydrogen and one oxygen

• one hydrogen and two oxygen

What is a solution?

• combination of isotopes

• chemical reaction

• mixture in which the substances are evenly spread out

• mixture in which undissolved substances do not settle out