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Radioactive decay

Authored by Kyle Cook

Science

7th - 12th Grade

NGSS covered

Used 14+ times

Radioactive decay
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21 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Which type of nuclear radiation is being emitted here?

Alpha
beta
gamma 
none

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many neutrons are in this isotope of Uranium?

235
92
327
143

Tags

NGSS.HS-PS1-8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is likely to happen to unstable nuclei with too many, or too few, neutrons?

They will decay by emitting radiation.

They will loose all their electrons.

They will bond with other atoms.

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

If the nucleus has too few neutrons, it will emit two protons and two neutrons called ___________.

an alpha particle

a beta particle

a neutron

gamma radiation

Tags

NGSS.HS-PS1-8

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Alpha decay causes the mass number of the nucleus to decrease by ________ and the atomic number of the nucleus to decrease by _______.

four, two

two, four

one, two

two, three

Tags

NGSS.HS-PS1-8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Beta radiation is ____________________

an electron from an electron shell.

an electron from the nucleus.

two protons and two neutrons.

a high frequency electromagnetic wave.

Tags

NGSS.HS-PS1-8

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