The Periodic Table- Group 7

Question 1

Group 7 elements are known as the ________.

Answer 1

Group 7 elements are known as the halogens.

Question 2

Group 7 elements all react in a _______ way as they all have _ electrons in their outer shell.

Answer 2

Group 7 elements all react in a similar way as they all have 7 electrons in their outer shell.

Question 3

Group 7 elements are ___-______ and consist of molecules made of _____ of atoms eg Br_

Answer 3

Group 7 elements are non- metals and consist of molecules made of pairs of atoms eg Br2

Question 4

The _______ point and _______ point of group 7 ________ as you go down the group.

Answer 4

The melting point and boiling point of group 7 increase as you go down the group.

Question 5

In group 7 the reactivity _________ as you go down the group.

Answer 5

In group 7 the reactivity decreases as you go down the group.

Question 6

The halogens form ions with a charge of __ by gaining an electron when reacting with metals to form _____ _________.

Answer 6

The halogens form ions with a charge of 1- by gaining an electron when reacting with metals to form ionic compounds.

Question 7

A more ________ halogen will ________ a less reactive halogen from a ________.

Answer 7

A more reactive halogen will displace a less reactive halogen from a compound.

Question 8

The halogens form ________ _________ by _______ electrons with other ___- ______

Answer 8

The halogens form covalent molecules by sharing electrons with other non- metals