Exam Prep (Word Key #1)

Question 1

What is an Isotope?

Answer 1

Atoms of the same element with different numbers of neutrons

Question 2

What is Atomic Number?

Answer 2

Number of protons in an atom

Question 3

What is Mass Number?

Answer 3

Protons + Neutrons

Question 4

What is Ionization Energy?

Answer 4

Energy required to remove an electron

Question 5

What is Electronegativity?

Answer 5

Atom’s ability to attract bonding electrons

Question 6

What is Atomic Radius?

Answer 6

Size of an atom from nucleus to valence shell

Question 7

What is Effective Nuclear Charge (Zₑff)?

Answer 7

Net attraction felt by valence electrons

Question 8

What is an Ionic Bond?

Answer 8

Bond formed by transfer of electrons between metal and non-metal

Question 9

What is a Covalent Bond?

Answer 9

Bond formed by sharing of electrons between non-metals

Question 10

What is a Polyatomic Ion?

Answer 10

A charged group of covalently bonded atoms

Question 11

What are Valence Electrons?

Answer 11

Electrons in the outermost energy level

Question 12

What is the Octet Rule?

Answer 12

Atoms tend to bond to achieve 8 valence electrons

Question 13

What is a Reactant?

Answer 13

A substance that enters into a chemical reaction

Question 14

What is a Product?

Answer 14

A substance formed as a result of a chemical reaction