What type of substance reacts with limestone (caco3) and produces carbon dioxide gas? a neutral substance
a base
acid
both an acid and a base

What are the charges of the subatomic particles by choosing the answer from the drop down menu. protons have a (+1,0,or-1). (protons,neutrons,electrons) have a 0 charge. 3.) electrons have a (+1,0,-1)

Esign techniques and materials that reduce the negative environmental impact of a structure are referred to as

Compare and contrast the bohr model and the electron cloud models of the atom.