Radioactivity

In the equation, ¹⁴₆C --> ¹⁴₇N + ⁰_-1B, the _______ decay of radioactive carbon-14 results in the creation of a new nitrogen-14 atom.

• Gamma

• Beta

• Alpha

Tags

NGSS.HS-PS1-8

How is the alpha particle written in a nuclear equation?

• ^4₂He
• ^2₄He

Tags

NGSS.HS-PS1-8

In the nuclear equation below, calculate the mass number of the alpha particle. 
^238₉₂U-->^234₉₀Th + ^4₂He + 2^0₀

• 238
• 0
• 234
• 4

Tags

NGSS.HS-PS1-8

Uranium-238  decays into  Thorium-234  by emitting .........

• an alpha particle
• a beta particle
• gamma rays
• visible light

Tags

NGSS.HS-PS1-8

A helium nucleus with two protons and two neutrons is called a(n) ____.  

• alpha particle
• electroscope
• beta particle
• gamma ray

Tags

NGSS.HS-PS1-8

Which type of nuclear radiation is being emitted here?

• Alpha
• beta
• gamma 
• none

Tags

NGSS.HS-PS1-8

If we start off with element ₂₄X⁵⁰ after an alpha decay we get another element Y that looks like

• ₂₂Y⁵⁰
• ₂₂Y⁴⁶
• ₂₀Y⁴⁸
• ₂₆Y⁵⁴

Tags

NGSS.HS-PS1-8

If we start off with element ₂₄X⁵⁰ after an beta decay we get another element Y that looks like

• ₂₃Y⁵⁰
• ₂₂Y⁴⁶
• ₂₅Y⁵⁰
• ₂₄Y⁵⁰

Solve this equation for alpha decay.
₈₅²⁰⁹At = ___ + ₂⁴He

• ₈₃²⁰⁵Bi
• ₈₆²⁰⁹Rn
• ₈₁²⁰⁷Tl
• ₈₅²⁰⁸At

Tags

NGSS.HS-PS1-8

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

• ¹⁴₅B
• ¹⁴₆C
• ¹⁴₇N
• ⁴₂He

Tags

NGSS.HS-PS1-8