Nuclear Chemistry

Which of the following particles is NOT in the nucleus?

• proton

• gluon

• electron

• neutron

Tags

NGSS.HS-PS1-8

What is responsible for the nucleus' instability?

• the significant difference in the number of protons and neutrons

• the significant difference in the number of neutrons and protons

• both mean the same :D

Tags

NGSS.HS-PS1-8

Which one is not activated during exposure to radiation?

• programmed cell death

• cell self-repair mechanism

• immune response

• mitosis

Tags

NGSS.HS-LS1-4

Scattering experiment is when

• materials are bombarded with particles

• you are X-rayed

• the cell multiplies

• white blood cells scatter in the blood vessels

Tags

NGSS.HS-PS3-5

Scientists discovered a new element in Mars. The atom of the element is includes 234 protons. The mass number is 632. Which statement is NOT true?

• the atomic number is 234

• the atom is highly radioactive

• there are more neutrons than protons in the nucleus

• the number of neutrons in the nucleus is = 398

• the difference between the number of protons and neutrons is 169.

Tags

NGSS.HS-PS1-8

Which one is radioactive?

• sodium

• polonium

• lead

• iron

Tags

NGSS.HS-PS1-8

Which type of radiation has the greatest penetrating power?

• Alpha

• Beta

• Gamma 

• Microwaves

The nuclear process occurring at a nuclear power plant.

• Nuclear fusion

• Nuclear fission

• Combustion

• Multiplication

Tags

NGSS.HS-PS1-8

The technetium-99 isotope has a half-life of 6.0 hours. If 100.0 mg were injected into a patient how much remains after 18 hours?

• 33.0 mg

• 12.5 mg

• .33 mg

• 15.8 mg

Why does an atom undergo beta decay?

• It has too many electrons.

• It has an atomic number greater than 83

• It has more neutrons than protons

• It has more protons than neutrons

Tags

NGSS.HS-PS1-8