Understanding Nuclear Decay

Understanding Nuclear Decay

8th Grade

10 Qs

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Understanding Nuclear Decay

Understanding Nuclear Decay

Assessment

Quiz

English

8th Grade

Practice Problem

Medium

Created by

Honeylee Mallari

Used 1+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the atomic number of an atom during alpha decay?

The atomic number remains the same.

The atomic number decreases by 2.

The atomic number increases by 2.

The atomic number decreases by 1.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of radiation involves the emission of high-energy photons?

Gamma radiation

X-ray radiation

Beta radiation

Alpha radiation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to an atom's nucleus after it releases an alpha particle?

The nucleus remains unchanged and continues to exist as the same element.

The nucleus gains 2 protons and becomes a heavier element.

The nucleus splits into two smaller nuclei without changing its element.

The nucleus becomes a new element with 2 fewer protons and 4 fewer nucleons.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In nuclear decay, what is the primary reason for an unstable nucleus to emit radiation?

To achieve stability by releasing excess energy or particles.

To increase the mass of the nucleus.

To absorb more energy from the environment.

To create new elements without any energy loss.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which subatomic particle defines the identity of an element?

Photon

Electron

Neutron

Proton

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is emitted during beta decay?

Beta particles (electrons or positrons) and neutrinos/antineutrinos

Alpha particles and gamma rays

Photons and X-rays

Protons and neutrons

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does gamma radiation differ from alpha and beta radiation?

Gamma radiation is electromagnetic, has no mass or charge, and is more penetrating than alpha (helium nuclei) and beta (electrons/positrons) radiation.

Beta radiation is a form of electromagnetic radiation like gamma radiation.

Alpha radiation is more penetrating than gamma radiation.

Gamma radiation consists of heavy particles with a positive charge.

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