1. Atomic Theory Review Game

2. Complete the sentence: Isotopes are forms of an element that have ____________________________

3. What are the key features of the Bohr model of the atom?

4. Draw an atom that has the following features: mass number 27 5 more electrons than oxygen

5. Calculate the weighted average atomic mass of neon from the following data:
Isotope
% abundance
mass
Ne-20
90.48%
Ne-21
0.27%
Ne-22
9.25%

6. How many electrons are in a sodium ion with a +1 charge? Atoms
Protons
Neutrons
Electrons
Mass Number
Sodium 12 23

7. Describe the composition of an atom of this isotope.

8. How does the composition of an atom of Cu differ from the composition of a Cu2+ ion?

9. Where does most of the mass come from in an atom
Where does most of the mass come from in an atom? Where does most of the volume come from in an atom?

10. Define an atom.

11. How is a nuclear reaction different from a chemical reaction?

12. Which element is this and what is its mass number?

13. Which are the protons and which are the neutrons?

14. Complete the following table for a neutral atom:
Element
Protons
Neutrons
Electrons
Mass # 24 52 22 41

15. What is the charge of each? atom electron proton neutron

16. What aspects of Dalton’s atomic theory were incorrect?