The highly reactive elements in group 7a are known for forming salts. what are they called?

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

How many neutrons does an element have if its atomic number is 50 and its mass number is 166