What is the chemical formula and name for the ionic compound formed between magnesium and sulfur

Which of the following best describes the formation of plasma?

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?