Question

an element 'X' has atomic number 11
A. identify the group number and period number
B. is 'x' METAL OR NON METAL
c. WRITE THE FORMULA OF ITS BROMIDE.

Answer 1

The x belong to 11 the group and 3 period
It is non metal becz as we go across the period non metallic character increases.
Sodium bromide is the formula of its bromide.
Hope this may help u.....

Answer 2

1). Group Number - 1 ..Period Number - 3

2). Metal

3). XBr