Question

10. The atomic number of three elements A, B and Care 11, 17 and 6 respectively. Write down the
electronic configuration and answer the following questions.
(a) Which of these elements are a metal? (b) Which of these elements are non metal?
(c) Which two elements will combine to form an ionic bond? (d) Which two elements combine
to form a covalent bond? (e) Which element will form an anion of valency 1?
​

Answer 1

Answer:

a) 11

b) 6 and 17

c) 11 and 17

d)6 and 17

e) 17