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ATOMIC QUESTIONS!
Follow the steps to find the final number in problems 1 through 5.
YOU CAN DISREGARD SIGNIFICANT FIGURES FOR THE
BASIC ATOMIC MATH QUESTIONS – 1 THROUGH 5.
1. The atomic number of carbon. Multiply by the atomic mass of lead.
Divide by the number of electrons in neutral sodium.
2. The number of neutrons in carbon 14. Subtract the number of protons in He.
Multiply by the number of electrons in neutral uranium. Divide by the number of neutrons in
neutral potassium.
3. The number of electrons in a sodium +1 ion. Multiply by the number of protons in an atom of
Sn. Divide by the number of neutrons in at atom of H-2. Multiply by the number of electrons
in an atom of neutral barium.
4. The number of electrons in Cu. Subtract the number of neutrons in F. Multiply by the number
of electrons in Al. Divide by the number of electrons in I. Multiply by the number of protons
in Ca.
5. The number of electrons in Br-1. Add the number of neutrons in K. Multiply by the number of
electrons in Ca+2. Divide by the number of protons in Zn. Multiply by the number of electrons
in a Ba+2 ion. Subtract the mass of an oxygen atom (in amu). Divide by the sum of the protons
and neutrons in Al. Subtract the number of protons and neutrons in B+3. Multiply by the
number of neutrons in U-235. Divide by the number of neutrons in plutonium.
6. How many neutrons are in U-235?
7. How many electrons are in a Cu+2 ion?
8. How many neutrons does Mg-26 have?
9. Ti-48 - how many protons, neutrons, and electrons does it possess?
10. Which element is more nuclear unstable - polonium or plutonium? Why?
11. A radon atom emits an alpha particle. What element is given off? What element is left?
12. What type of radiation is attracted to a negative plate? Why?
13. Compare size, charge, speed, and energy of the three types of radiation.