What is the symbol for an alpha particle?

• ⁴₂He
• ⁰_-1e
• ⁰₊₁ e
• ¹₀n

Tags

NGSS.HS-PS1-8

In a nuclear reactor what slows down neutrons?

• Control Rods
• Moderator
• Sheilding
• The brakes

In the symbol ²⁰⁶₈₂Pb what does 206 stand for?

• Mass number
• Atomic number
• Atomic mass
• Number of protons

Balance the following equation:
¹⁴₆C --> ⁰_-1e + ________

• ¹⁴₅B
• ¹⁴₆C
• ¹⁴₇N
• ⁴₂He

Tags

NGSS.HS-PS1-8

The name for protons and neutrons in nuclear chemistry is____

• beta particles
• positrons
• nucleons
• nuclides

Tags

NGSS.HS-PS1-8

Which type of radiation has the greatest penetrating power?

• Alpha
• Beta
• Gamma 
• Microwaves

Tags

NGSS.HS-PS4-4

In a nuclear reactor what absorbs fast moving neutrons?

• generator
• moderator
• control rods
• sheilding

What is the equation for the positron emission by oxygen-16?

• ¹⁶₈O + ⁰₊₁e --> ¹⁶₉F
• ¹⁶₈O --> ⁴₂He + ¹²₆C
• ¹⁶₈O --> ⁰_-1e + ¹⁶₉F
• ¹⁶₈O --> ⁰₊₁e + ¹⁶₇N

Tags

NGSS.HS-PS1-8

In the symbol ¹⁶₇N what the 7 stand for?

• Mass number

• Atomic number

• Atomic mass

• Number of neutrons

Detects radiation by counting electric pulses carried by gas atoms ionized by radiation

• Geiger-Muller counter
• Scintillation counter
• Film badge
• Radioactive detective