Question

What is the atomic number and mass number and proton number and electron number and nuetron number and electronic configuration of uranium and polonium and curium

Answer 1

Answer:

The number of protons in the nucleus of the atom is equal to the atomic number (Z). The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus.

Explanation:

It followed the example of gadolinium, a lanthanide element above curium in the periodic table, which was named after the explorer of the rare earth elements Johan Gadolin: "As the name for the element of atomic number 96 we should like to propose "curium", with symbol Cm.