Periodic Table

Question 0

Alkali metal

Answer 0

Highly reactive elements that are shiny, soft and silvery

Question 1

Actinide

Answer 1

Fifteen metallic elements with the atomic numbers 89-103

Question 2

Alkaline earth metal

Answer 2

Moderately reactive natural elements; Shiny and silvery white

Question 3

Atomic number

Answer 3

Number of protons in the nucleus of an atom

Question 4

Halogen

Answer 4

Series of very reactive nonmetals

Question 5

Isotope

Answer 5

Variant of a chemical element; protons are the same but neutrons vary

Question 6

Lanthanide

Answer 6

15 metallic elements with atomic numbers 57-71

Question 7

Metalloid

Answer 7

Mix between metals and nonmetals

Question 8

Noble gas

Answer 8

Six odorless, colorless gases with low reactivity

Question 9

Nonmetal

Answer 9

Group of elements that are poor conductors of heat and electricity; dull and brittle

Question 10

Post transition metal

Answer 10

Metals to the right of transition elements in the periodic table

Question 11

Rare earth elements

Answer 11

17 elements; lanthanides plus scandium and yttrium

Question 12

Transition metal

Answer 12

Familiar metals such as iron, nickel, copper and gold