Question

An element X (atomic number 17) reacts with an element Y (atomic number 20) to form a divalent halide.
a) Where in the periodic table is element X placed? Write the group and the period also.
b) Classify X and Y as metal (s), non-metal (s) or metalloid (s)
c) What will be the formula of oxide of element Y? Identify the nature of bonding in the compound formed​

Answer 1

The muscular system is a complex network of muscles vital to the human body. Muscles play a part in everything you do. They control your heartbeat and breathing, help digestion, and allow movement. Muscles, like the rest of your body, thrive when you exercise and eat healthily.