periodic table

Question 1

Names for groups of elements in Group 1, 2, 17, 18

Answer 1

Alkali metals

Question 2

The halogen of the second period

Answer 2

Fluorine

Question 3

The alkaline earth metal in the fifth period

Answer 3

Stronium

Question 4

The noble gas with the smallest atomic number

Answer 4

Helium

Question 5

The non-metal of the fifth period with seven outer most electrons

Answer 5

Iodine

Question 6

The alkali metal of the fourth period

Answer 6

Potassium

Question 7

The metal of the third period with three outermost electrons

Answer 7

Aluminum

Question 8

The unreactive gas of the second period

Answer 8

Neon

Question 9

What are the clues of a chemical change ?

Answer 9

A new colour appears, heat is produced, light is absorbed, bubbles of gas are formed, a solid material forms in the liquid (precipitate), the change is difficult to reverse

Question 10

Element 1

Answer 10

Hydrogen, +1

Question 11

Element 2

Answer 11

Helium, none

Question 12

Element 3

Answer 12

Lithium, 1+

Question 13

Element 4

Answer 13

Beryllium, 2+

Question 14

Element 5

Answer 14

Boron, 3+

Question 15

Element 6

Answer 15

Carbon, 4+

Question 16

Element 7

Answer 16

Nitrogen, 3-

Question 17

Element 8

Answer 17

Oxygen, 2-

Question 18

Element 9

Answer 18

Fluorine, 1-

Question 19

Element 10

Answer 19

Neon, none

Question 20

Element 11

Answer 20

Sodium, 1+

Question 21

Element 12

Answer 21

Magnesium, 2+

Question 22

Element 13

Answer 22

Aluminum, 3+

Question 23

Element 14

Answer 23

Silicon, 4+

Question 24

Element 15

Answer 24

Phosphorus, 3-

Question 25

Element 16

Answer 25

Sulfur, 2-

Question 26

Element 17

Answer 26

Chlorine, 1-

Question 27

Element 18

Answer 27

Argon, none

Question 28

Element 19

Answer 28

Potassium, 1+

Question 29

Element 20

Answer 29

Calcium, 2+

Question 30

Cr

Answer 30

Chromium

Question 31

Mn

Answer 31

Magnanese

Question 32

Fe

Answer 32

Iron

Question 33

Co

Answer 33

Cobalt

Question 34

Ni

Answer 34

Nickle

Question 35

Cu

Answer 35

Copper

Question 36

Zn

Answer 36

Zinc

Question 37

Ag

Answer 37

Silver

Question 38

Sn

Answer 38

Tin

Question 39

Au

Answer 39

Gold

Question 40

Hg

Answer 40

Mercury

Question 41

Pb

Answer 41

Lead