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Radioactivity Test

Authored by Andrew Harvey

Science

8th - 10th Grade

NGSS covered

Used 2+ times

Radioactivity Test
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the mass number of this isotope?

131

53

184

78

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the atomic number of this isotope?

131

53

184

78

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An alpha particle is made up of

2 protons and 4 neutrons

1 proton and 1 neutron

2 protons and 2 neutrons

4 protons and 2 neutrons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of nuclear radiation can be stopped by a sheet of paper?

Alpha

Beta

Gamma

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of nuclear radiation can be stopped 60 cm of aluminum or 7 cm of lead?

Alpha

Beta

Gamma

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When a substance undergoes beta decay

The atomic number increases by 1

The atomic number decreases by 2

The atomic number does not change

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much of a 250g sample would be left after 5 half lives?

125g

62.5g

31.25g

7.81g

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