Question

An element with the atomic number is 19 will most likely combine chemically with the element whose atomic number is
​

Answer 1

atomic number 19 is potassium belonging to 1 St group

it's valence configuration is 3s^1

so it tries to lose one electron

it combines with halogens

Answer 2

the element is pottassium...and it combines with non metals like halogens..