A quick warmup regarding subatomic particles and isotopes.
When typing an isotope symbol, type the top numbers first, then the bottom numbers, then the element symbol. Tap the right arrow in between to make it look correct.
15163Eu
Identify the following isotope, and write its name. (Isotope name notation)
Protons: 13
Neutrons: 15
Write the isotope symbol (AXZ notation) for chlorine - 35.
Identify the following isotope, and write the isotope name.
Protons: 16
Neutrons: 12
Select the atoms that are isotopes of each other.