The atom of an element has 9p+,9e- and 10n0.
a. What is an atomic no. of the element?
b. What is the mass no. of the element?
c. Name the element and give electronic configuration.
d. Predict the valency of the element.
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C is right statement it is right name the element and give electronic configuration
venusvidya2205:
he is not asking to choose any of the options he wants us to answer all a,b,c,d
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(a) the atom has 9p++9e- = so that its atomic number is 9 that is fluorine
(b) it has 10n0+9p+ = so that its mass number is 19
(c) it loses 1 electron to attain octet configuration so that its valency is 1
(d) [He] 2s2 2p5
(b) it has 10n0+9p+ = so that its mass number is 19
(c) it loses 1 electron to attain octet configuration so that its valency is 1
(d) [He] 2s2 2p5
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