Pls answer q16. Had it in my exam.
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If the elements has electronic confi. of about 1,2,3 then they are metal.
example : Na (2,8,1) so it is metal.
if it is 5,6,7 then it is non metal.
example : Cl(2,8,7) so it is a non metal.
A, C, are metals.
2nd part.
a) covalent bond
b) covalent bond
c) covalent bond
d) no reaction
example : Na (2,8,1) so it is metal.
if it is 5,6,7 then it is non metal.
example : Cl(2,8,7) so it is a non metal.
A, C, are metals.
2nd part.
a) covalent bond
b) covalent bond
c) covalent bond
d) no reaction
shuchidatta29:
Shouldn't B also be a metal since atomic no. Of B is 19 and that means the element is sodium
it's not atomic number it's mass number
The mass no. Is the one written below the element and atomic no. Is the one written above
no it's reverse
Ohhh
K thnx
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