Elements/Periodic Table

Question 1

Period

Answer 1

Each row in the table of elements

Question 2

Periodic law

Answer 2

A pattern of repeating properties

Question 3

Atomic mass unit

Answer 3

1/12 the mass of a carbon-12 atom

Question 4

Metals

Answer 4

Elements that are good conductors of electric current and heat

Question 5

Transition metals

Answer 5

Elements that form a bridge between the elements on the left and right sides of the table

Question 6

Non metals

Answer 6

Elements that are poor conductors

Question 7

Metalloids

Answer 7

Elements with properties that fall between those of metals and nonmetals

Question 8

Valence electrons

Answer 8

Electrons that is in the highest occupies energy level of an atom

Question 9

Alkali metals

Answer 9

Metals with a single valence electron and are extremely reactive

Question 10

Alkaline earth metals

Answer 10

The elements in group 2A. Have two valence electrons

Question 11

Halogens

Answer 11

Elements in group 7A. 7 valence electrons

Question 12

Noble gases

Answer 12

Elements in group 8A. 2 valence electrons

Question 13

Periodic Table

Answer 13

An arrangement of elements in columns, based on a set of properties that repeat from row to row.

Question 14

Group

Answer 14

A column of elements in a periodic table