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Nuclear Decay Practice

Authored by Desiree Blinco

Science

10th Grade

NGSS covered

Used 2+ times

Nuclear Decay Practice
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the symbol for Alpha decay?

α

β

γ

δ

Answer explanation

Alpha decay is represented by the symbol α. This process involves the emission of an alpha particle, which consists of 2 protons and 2 neutrons, from the nucleus of an atom.

Tags

NGSS.HS-PS1-8

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What particle is emitted during Beta decay?

Neutron

Proton

Electron

Photon

Answer explanation

During Beta decay, a neutron in the nucleus transforms into a proton and emits an electron. Therefore, the correct answer is 'Electron', as it is the particle that is emitted during this process.

Tags

NGSS.HS-PS1-8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Gamma decay requires a minimum material to stop it. Which material is it?

Paper

Aluminum

Lead

Water

Answer explanation

Gamma decay is highly penetrating and requires dense materials to stop it. Lead is the most effective among the options listed, as it has a high atomic number and density, making it suitable for shielding against gamma radiation.

Tags

NGSS.HS-PS1-8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the minimum material needed to stop Alpha decay?

Paper

Aluminum

Lead

Steel

Answer explanation

Alpha particles can be stopped by a few sheets of paper, as they have low penetration power. Therefore, paper is the minimum material needed to effectively stop Alpha decay.

Tags

NGSS.HS-PS1-8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank: The emitted particle in Alpha decay is a ____.

Neutron

Proton

Helium nucleus

Electron

Answer explanation

In alpha decay, an unstable nucleus emits an alpha particle, which is essentially a helium nucleus (2 protons and 2 neutrons). Therefore, the correct answer is 'Helium nucleus'.

Tags

NGSS.HS-PS1-8

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which decay type does not change the atomic number of the element?

Alpha

Beta

Gamma

Delta

Answer explanation

Gamma decay involves the emission of gamma rays and does not change the atomic number or mass of the element. In contrast, alpha and beta decay alter the atomic number, making gamma the correct choice.

Tags

NGSS.HS-PS1-8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fill in the blank: The emitted particle in Gamma decay is a ____.

Neutron

Proton

Helium nucleus

Photon(Light)

Answer explanation

In Gamma decay, the nucleus releases energy in the form of electromagnetic radiation, specifically a photon. This distinguishes it from other types of decay, which involve particles like neutrons or protons.

Tags

NGSS.HS-PS1-8

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