Nuclear radiations (part 1)

Presentation

•

Chemistry, Science

•

10th Grade

•

Medium

•

NGSS

HS-PS1-8

Standards-aligned

Monica Youssef

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7 Slides • 10 Questions

Nuclear radiations

(part 1)

By Monica Youssef

Multiple Choice

What is an atom that has an unstable nucleus and undergoes radioactive decay?

Radiation

Radioactivity

Radioactive

Multiple Choice

Radioactive materials have unstable...

electrons

protons

nuclei

neutrons

Multiple Choice

What does it mean when an element is radioactive?

atom emits radiation

nucei unstable due to uneven p to n ratio

nuclei changes to become stable

all of the above

Multiple Choice

The process of nuclear change in an atom of radioactive material is called...

nuclear decay

nuclear mass

isotopes

radon

Multiple Choice

After the nucleus of a radioactive element undergoes changes, the element can transform into ...

(a) a different isotope of the same element.

(b) an entirely different element.

Both (a) and (b)

Neither (a) nor (b)

Multiple Choice

A helium nucleus with two protons and a mass number of four is called a(n) ____.

alpha particle

electroscope

beta particle

gamma ray

Multiple Choice

What type of radiation is this?

Alpha

Beta

Gamma

Multiple Choice

What is the mass of this particle?

Multiple Choice

What happens to the atomic number during alpha decay?

The atomic number decreases by 4

The atomic number increases by 1

The atomic number decreases by 2.

The atomic number stays the same.

Multiple Choice

What type of radioactive decay is happening?

Alpha

Beta

Gamma

Nuclear radiations

(part 1)

By Monica Youssef

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