Chapter 5 Vocabulary

Question 1

One of the 14 elements with atomic numbers from 58 to 71.

Answer 1

Lanthanide

Question 2

One of the 14 elements with atomic numbers from 90 to 103

Answer 2

Actinide

Question 3

The physical and chemical properties of the elements are periodic functions of their atomic numbers.

Answer 3

Periodic law

Question 4

An arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column or group

Answer 4

Periodic table

Question 5

One of the elements of group one of the periodic table

Answer 5

Alkali metal

Question 6

One of the elements of group two of the periodic table

Answer 6

Alkaline earth metal

Question 7

One of the elements of group 17

Answer 7

Halogen

Question 8

An element in the s block or p block

Answer 8

Main group element

Question 9

One of the D block elements that is a metal with typical metallic properties

Answer 9

Transition element

Question 10

A negative ion

Answer 10

Anion

Question 11

One half the distance between the nuclei of identical atoms that are bonded together

Answer 11

Atomic radius

Question 12

A positive ion

Answer 12

Cation

Question 13

The energy change that occurs when an electron is acquired by a neutral atom

Answer 13

Electron affinity

Question 14

A measure of the ability of an atom in a chemical compound to attract electrons

Answer 14

Electron gravity

Question 15

An atom or group of bonded atoms that has a positive or negative charge

Answer 15

Ion

Question 16

The formation Of ions from solute molecules by the action of the solvent; any process that results in the formation of an ion

Answer 16

Ionization

Question 17

The energy required to remove one electron from a neutral atom of an element

Answer 17

Ionization energy

Question 18

An electron that is available to be lost, gained, or shared in the formation of chemical compounds

Answer 18

Valence electrons