Basic Biochemistry Intro Review

The number of protons in a nucleus is given by the:

• Atomic Number
• Atomic Mass
• Electronegativity
• Group Number

The basic unit of matter is...

• atom

• proton

• neutron

• electron

What particles are found in the nucleus of an atom?

• electron and proton
• proton and neutron
• electron and neutron

The _____________ is the positively charged particle in an atom.

• proton
• neutron
• electron

The _____________ is the negatively charged particle in an atom.

• proton
• neutron
• electron

The _____________ is the particle in an atom that has no charge.

• proton
• neutron
• electron

The particle involved in chemical reactions is the

• proton
• neutron
• electron

What is it called when two atoms share electrons?

• Ionic bonding

• Covalent bonding

• Hydrogen bonding

• Atomic bonding

A compound consists of....

• one type of atom bonded to itself

• two or more different types of atom bonded to each other

• two or more different types of atom mixed with each other

• all of these

A group of two or more atoms that are bonded together

• elements

• isotopes

• molecules

• essential elements of life