Chapter 5 Vocab

Question 1

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

Answer 1

Periodic law

Question 2

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

Answer 2

Period table

Question 3

The 14 elements with atomic numbers from 90 to 103

Answer 3

Actinides

Question 4

14 elements with atomic numbers 58 to 71

Answer 4

Lathanides

Question 5

Elements of group 1 table lithium sodium potassium

Answer 5

Alkali metals

Question 6

The elements of group 2 of the periodic table beryllium magnesium

Answer 6

Alkaline earth metals

Question 7

The d block are metals with typical metallic properties

Answer 7

Transition metals

Question 8

The p block elements together w/ s block

Answer 8

Main group elements

Question 9

The elements of group 17 fluroine clorine

Answer 9

Halogens

Question 10

May be defined as one half the distance b/t nuclei of identical atoms

Answer 10

Atomic radius

Question 11

Positive negative charge

Answer 11

Ion

Question 12

Any process results in formation of ion

Answer 12

Ionization

Question 13

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

Answer 13

Ionization energy

Question 14

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

Answer 14

Electron affinity

Question 15

Positive ion

Answer 15

Cation

Question 16

Negative ion

Answer 16

Anion

Question 17

Electrons availibe to be lost gained or shared in the formation of chemical compounds

Answer 17

Valence electrons

Question 18

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

Answer 18

Electronegativity