Q.1.
Choose the correct order from top to bottom of group 7.
Q.2.
Group 7 elements only form what type of ion?
Q.3.
What type of bonds do group 7 elements form?
Q.4.
Halogens all react with metals. How many electrons do they gain when they undergo this type of reaction?
Q.5.
Reactivity of the elements in group 7 decreases down the group. This is because...
Q.6.
Halogens exist as molecules made up of pairs of atoms, joined together by covalent bonds. These molecules are known as...
Q.7.
How many electrons are in the outer shell of the group 7 elements?
Q.8.
Iodine is...
Q.9.
Group 7 elements are also known as...
Q.10.
Bromine displaces iodine from solution because...