What are the following groups known as? Give two examples of each;
a) Group 1 b)Group 7 c)Group 8
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(a) Group 1 known as alkalis metals group.
ex: lithium, sodium, potassium,etc.
(b) Group 7 known as halogene group.
ex: chlorine,iodine,bromine,etc.
(c) Group 8 known as heavy metal or transition group.
ex: iron,osmium,hassium,etc.
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