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