Isotopes and Radioactivity

Alpha Particles are:

• consist of two protons and four neutrons

• Positively Charged

• can penetrate any thickness of matter

• All of the above

Tags

NGSS.HS-PS1-8

When a nucleus undergoes gamma decay, the atomic number of the element....

• remains the same

• increases by one

• decreases by one

• increases by two

Tags

NGSS.HS-PS1-8

Radioactive materials have unstable...

• Nuclei

• Protons

• Neutrons

• Electrons

Tags

NGSS.HS-PS1-8

The type of radioactive particle that can be stopped by a sheet of paper is the ____

• Alpha Radiation

• Beta Radiation

• Gamma Radation

• Delta Radiation

Tags

NGSS.HS-PS1-8

Which one of the following is not made of matter?

• Alpha Radiation

• Beta Radiation

• Gamma Radiation

• Delta Radiation

Negatively charged particles emitted from a nucleus at a high speed are ____.

• Beta Particles

• X-rays

• Gamma Particles

• Alpha Particles

Tags

NGSS.HS-PS1-8

Two atoms of the same element but with different mass numbers are called________

• Protons

• Isotopes

• Ions

• Electron Particles

What do these isotopes of carbon all have in common?

¹²₆C, ¹³₆C, ¹⁴₆C

• They have the same atomic number and mass

• They have the same atomic number and protons

• They have the same atomic number and electrons

• They have the same atomic number and neutrons

Tags

NGSS.HS-PS1-1

Which type of radiation has the highest mass?

• Alpha

• Gamma

• Beta

• Delta

Gamma radiation is used to:

• Assist in medical imaging

• In smoke alarms

• to measure the thickness of paper in paper mills

• Charge batteries