Reactivity of a depends on how easily an electron (e-) can be obtained (gained). This is Electronegativity (EN).

A).Nonmetal

B).Metal

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.

What is a difference between a mixture of elements and a mixture of compounds