Question

the electronic configuration of two elements a and b are 2,8,7 and 2,8,8,2 respectively.write the atomic number of these elements.what will be formula of the compound formed amd the nature of bond between them when these two elements chemically combine together

Answer 1

atomic no. = 2+8+7=17
atomic no.=2+8+8+2=20
nature of bond =covalent bond
CaCl2

Answer 2

Answer:

....... $\huge\star\underline{\mathtt\red { A }\mathtt\green{ N }\mathtt\blue{ S }\mathtt\purple { W }\mathtt\orange { E }\mathtt\pink { R } }\star$