How many moles of copper are there in 6.93 g of copper sample
pls be quick

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.

How far is the region from the equator or control climate

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false