Answer:
quantity A is mass and quantity B is wieght
Answer:
The composition of a nuclide (atomic nucleus) is defined by the number of protons Z and the number of neutrons N, which sum to mass number A.Proton number Z, also named the atomic number, determines the position of an element in the periodic table.The approximately 3300 known nuclides are commonly represented in a chart with Z and N for its axes and the half-life for radioactive decay
Explanation:
Answer:
3, because H2 ×3 =6, and if you plug in a two in NH3 it would be equal
Answer:
NaCl
Explanation:
none of them. Salt presents NaCl
I believe the amount of matter in an object is it's mass