Question

What are the group 1a and group 7a elements examples of? representative elements transition elements nonmetallic elements noble gases?

Answer 1

I. example
1a- Li,Na,K,Ru,Cs (alkali);
7a- F, Cl, Br, I (Halogen);
1-12b element - transition element: metal: Cu (bronze); Fe(iron); Al(alumin); Mn(mangan);
8a-noble gases- He; Ne (in your neon light); Ar; Xe
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Answer 2

Representative elements-__-