Are there Undiscovered Elements Beyond The Periodic Table?

Are there Undiscovered Elements Beyond The Periodic Table?

Assessment

Interactive Video

Created by

Quizizz Content

Physics, Science, Chemistry

11th Grade - University

Hard

The video explores the concept of fictional elements and the possibility of new elements beyond the periodic table. It delves into the discovery of technetium, the first artificial element, and explains the role of isotopes and nuclear stability. The video discusses nuclear forces, magic numbers, and the potential for discovering new elements in an island of stability. It highlights the importance of artificial elements in various applications and the potential impact of future discoveries.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main reason for the gaps in the periodic table?

Lack of scientific interest

Unstable elements

Fictional elements

Incomplete atomic theory

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who discovered the first artificial element, technetium?

Dmitri Mendeleev

Ernest Lawrence

Emilio Segre

Carlo Perrier

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is technetium not found naturally on Earth?

It is too rare

It is too light

It is too reactive

It is too unstable

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an isotope?

A stable form of an element

A version of an element with a different number of neutrons

A fictional element

A different element with the same number of protons

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What force holds the nucleons together in an atomic nucleus?

Weak nuclear force

Gravitational force

Electromagnetic force

Strong nuclear force

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are magic numbers in nuclear physics?

Numbers that determine atomic weight

Numbers that complete nuclear shells

Numbers that indicate stable electron configurations

Numbers that predict chemical reactions

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the island of stability?

It indicates a region of stable isotopes

It is a new chemical reaction

It represents a fictional concept

It is a new element discovered

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a potential application of technetium?

Material for building structures

Fuel for nuclear reactors

Agent in medical imaging

Component in electronic devices

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are new artificial elements important?

They are only of academic interest

They have no practical use

They are used in everyday products

They can lead to new technological advancements

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is required to reach the island of stability?

Advanced particle accelerators

New synthesis techniques

Conventional nuclear reactors

Increased scientific funding

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