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2= the element will cobalt and when it react with
0 = co o2
it will in 9group and 4th period
it will metal
it's electronic configuration will 3d6,4s2
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The metal is Aluminium
Atomic number= 13
Atomic mass= 27
Neutrons= 14
(i) the element is located in 13th
group and third period.
(ii) Al2O3
(iii) It is a metal.
(iv) amphoteric oxide
Atomic number= 13
Atomic mass= 27
Neutrons= 14
(i) the element is located in 13th
group and third period.
(ii) Al2O3
(iii) It is a metal.
(iv) amphoteric oxide
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