the periodic table

Question 1

what does the number of protons determine?

Answer 1

an element’s position on the periodic table

Question 2

what does the number of electrons determine?

Answer 2

chemical properties of an element

Question 3

do atoms of metals (groups 1,2,3) lose or gain electrons?

Answer 3

lose

Question 4

do atoms of non metals gain or lose electrons?

Answer 4

gain

Question 5

how many electrons does group 5 gain?

Answer 5

3

Question 6

how many electrons does group 6 gain?

Answer 6

2

Question 7

how many electrons does group 7 gain?

Answer 7

1

Question 8

monatomic=

Answer 8

one atom

Question 9

the alkali metals mp and bp

Answer 9

decrease going down the group

Question 10

what do alkali metals produce when they react with water

Answer 10

hydrogen and an alkaline solution
(they all move around and fizz)

Question 11

reactivity _______ going down the alkali metals

Answer 11

increases

Question 12

alkali metals form 1+ ions to make…

Answer 12

ionic compounds

Question 13

what ions do group 7 form?

Answer 13

1-

Question 14

group 7 elements share electrons with other non metals to form

Answer 14

covalent compounds

Question 15

reactivity ______ going down group 7

Answer 15

decreases

Question 16

group 7 have _______ melting and boiling points

Answer 16

low

Question 17

the melting and boiling points of group 7 _______ going down

Answer 17

increase

Question 18

a more reactive halogen…

Answer 18

will displace a less reactive halogen from solutions of its salts

Question 19

going down any group, atoms get…

Answer 19

larger

Question 20

larger atoms

Answer 20

gain electrons less easily going down a group
lose electrons more easily going down a group

Question 21

inner electrons do what to the outer electrons?

Answer 21

they sheild or screen the outer shells from the positive charge of the nucleus

Question 22

what do group 1 elements react rapidly with?

Answer 22

• chlorine, oxygen and water