Quiz Review: Chemical Foundations and pH

What is defined as anything that has mass and takes up space?

• stuff

• living tissue

• matter

• air

The nucleus of an atom consists of

• protons and electrons

• electrons and neutrons

• only protons

• neutrons and protons

The subatomic particle with a negative charge is the

• electron

• proton

• neutron

Atoms with different numbers of neutrons are

• radioactive

• isotopes

• subatomic

• stable

How atoms combine is determined by an an atom's

• valence level

• number of protons

• atomic number

• mass

In a neutral atom the number of protons is equal to the number of

• neutrons

• electrons

• energy levels

When atoms form an ionic bond, the atoms

• share electrons

• give/take electrons

• combine electrons

What do all organic molecules have in common?

• They are natural

• They are small

• They contain water

• They contain carbon

When atoms form a covalent bond, the atoms

• share electrons

• give/take electrons

• combine electrons

Water is

• organic

• inorganic