What is the name for a set of rules, based on precise mathematical proportions, that imposes strict controls on how an artist works and on the appearance of the images that he or she creates?

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)

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true