3.02 Atomic Mass and Numbers TGA Helium 2 He 4.0026 1. What is the atomic mass or Helium?

2. How many protons are in Hellum?

3. What is the atomic number of Helium?
4. All atoms of the same element have the same number of
5. What particle in an atom determines what element it is?
6.What is the difference between a group and a row on the periodic table?
7.Name a nonmetal in the same group as lead.
8. Elements in the periodic table are listed in order of their
9. Which of the following is abbreviation for the element of gold?
10. How many protons does titanium have