Exploring the Periodic Table

Exploring the Periodic Table

9th Grade

15 Qs

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Exploring the Periodic Table

Exploring the Periodic Table

Assessment

Quiz

Others

9th Grade

Practice Problem

Hard

Created by

Lisa Lynch

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main organising principle of the Periodic Table?

Increasing electron affinity

Decreasing atomic mass

Increasing atomic number

Random arrangement of elements

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the atomic number of an element defined?

The atomic number is the total number of electrons in an atom.

The atomic number is the number of protons in an atom's nucleus.

The atomic number is the number of isotopes an element has.

The atomic number is the sum of neutrons and protons in an atom's nucleus.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the atomic mass of an element represent?

The atomic mass is the mass of a single isotope only.

The atomic mass indicates the number of electrons in an element.

The atomic mass is the total number of protons in an atom.

The atomic mass represents the weighted average mass of an element's isotopes.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which subatomic particle determines the atomic number?

Photon

Proton

Neutron

Electron

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are elements arranged in the Periodic Table?

Elements are grouped solely by their color.

Elements are arranged by increasing atomic number and grouped by similar properties.

Elements are arranged by decreasing atomic mass.

Elements are arranged randomly without any specific order.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the electron configuration of oxygen?

1s² 2s² 2p²

1s² 2s² 2p⁵

1s² 2s² 2p⁴

1s² 2s² 2p³

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of groups in the Periodic Table?

Groups represent the atomic number of elements.

Groups indicate elements with similar chemical properties and reactivity.

Groups indicate the number of protons in an atom.

Groups are used to categorize elements by their physical state.

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