Three factors that affect magma viscosity are temperature, composition, and presence of dissolved gases.
Answer: Magnesium and Bromine/MgBr2 = Ionic compounds
Explanation: When atoms form together they can form between Ionic Compounds and molecules; this could depend on if they're joined by Covalent bonds as well because when atoms form with Covalent bonds, it forms Molecules.
Thomson's model included Protons and Electrons. His model is referred to as 'Plum Pudding' because of it.
