Question

An element X has electronic configuration 2,8,1 and element Y has configuration 2,8,7 what type of bond formed between them

Answer 1

Answer:

ionic bond

Explanation:

As the there will be gain of 1 electron for metal Y from metal X so the will make ionic bond

this is called ionic bond because gain and lose of ion take place

Answer 2

Answer:

Its 'IONIC BOND'

Explanation:

X=2+8+1=11=Na

Y=2+8+7=17=Cl

Therore XY=NaCl

We know NaCl is formed by ionic bonding.So my answer is also the right answer.hehehehe