Quantitative Chemistry Atomic Number Tells the number of protons and electrons the element contains Atomic Mass The average of all the mass numbers of all the isotopes of…
Quantitative Chemistry Atomic Number Tells the number of protons and electrons the element contains Atomic Mass The average of all the mass numbers of all the isotopes of…
1.Section 3.1 Atomic Mass Atoms are so small, it is difficult to discuss how much they weigh in grams. Use atomic mass units. An atomic mass unit (amu) is one twelfth the…