Kierra's Chemistry Honors

Question 1

Which of the subatomic particles determine an elements identity?

Proton

Neutron

Electron

Answer 1

Proton

Electron

Question 2

Why is electron configuration important?

Question 3

Explain why light is emitted during a flame test (relate to electrons and energy transfer).

Question 4

What is an isotope?

Answer 4

Atoms of the same element with the same number of protons but different numbers of neutrons.

Question 5

As the mass number for an isotope changes, what remains constant and why?

Answer 5

The atomic number

Question 6

Boron has 2 isotopes, Boron-10 and Boron-11. Boron’s atomic mass is 10.811 amu. Which isotope is more abundant and why?

Answer 6

Boron -10 because it is closest to 10.811 amu

Question 7

Between nuclear fission and fusion, which process creates atoms heavier than helium?

Answer 7

Nuclear Fission

Question 8

Identify two advantages and two disadvantages to nuclear energy.

Answer 8

Advantages- power cities, used for bombs

Disadvantages- Gives off harmful radiation