Chapter 4

Question 0

Alkali metals

Answer 0

Silvery solids with low densities and low melting points in group 1

Question 1

Actinides

Answer 1

The second series of elements, fro

Thorium to lawrencium

Question 2

Alkaline earth metals

Answer 2

Elements in group two of the table

Question 3

Catalyst

Answer 3

Substance that can make something happen faster but isn’t changed

Question 4

Group

Answer 4

Family of elements in the table that have similar physical ot chemical properties

Question 5

Halogens

Answer 5

Elements in group 17

Question 6

Lanthanides

Answer 6

The 1st series of inner transition elements which goes from cerium to lutetium

Question 7

Metal

Answer 7

Elements that has a shiny luster malleable ductile a goof conductor

Question 8

Metallioid

Answer 8

Element that shares properties of metals and nonmetals

Question 9

Noble gases

Answer 9

Elements in group 18

Question 10

Nonmetals

Answer 10

Element that is usually a gas at room temperature and is poor conductor

Question 11

Period

Answer 11

Row of elements in the table whose properties change gradually and predictively

Question 12

Representative elements

Answer 12

Elements in group 1,2,13-18 that includes metals nonmetals and metalloids

Question 13

Semiconductor

Answer 13

Doesn’t conduct heat or electricity as well as metal but does conduct better than nonmetal

Question 14

Synthetic elements

Answer 14

Made in labs and nuclear reactors

Question 15

Transition elements

Answer 15

Elements in group 3-12 and are all metals