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Atomic Structure and Periodic Table Quiz

5 Questions

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Atomic Structure and Periodic Table Quiz

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Questions and Answers

What is the relative charge of a proton?

Negative

Neutral

Positive (correct)

Variable

Which defines the nucleon number (mass number) of an atom?

Total number of protons and neutrons in the nucleus (correct)

Total number of protons in the nucleus

Total number of protons and electrons in the nucleus

Total number of electrons in the nucleus

What are isotopes?

Atoms of different elements with the same proton number

Atoms of the same element with the same proton number but different nucleon number (correct)

Atoms of the same element with the same proton number and nucleon number

Atoms of different elements with different proton and neutron numbers

What is the basis of the Periodic Table?

<p>Proton number and the simple structure of atoms</p> Signup and view all the answers

What are the two types of isotopes?

<p>Radioactive and non-radioactive</p> Signup and view all the answers

Study Notes

Proton Charge and Nucleon Number

A proton has a relative charge of +1, contributing to the positive charge of atomic nuclei.
The nucleon number, also known as the mass number, represents the total number of protons and neutrons in an atom's nucleus.

Isotopes

Isotopes are variants of a particular chemical element that differ in neutron number, resulting in different mass numbers.
Isotopes of an element share the same number of protons but have different physical properties, such as stability and radioactivity.

Basis of the Periodic Table

The periodic table is organized based on increasing atomic number, which reflects the number of protons in the nucleus.
Elements are grouped with similar chemical properties into columns known as groups or families.

Types of Isotopes

There are two primary types of isotopes: stable isotopes and radioactive isotopes (or radionuclides).
Stable isotopes do not undergo radioactive decay, while radioactive isotopes decay over time, emitting radiation.

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Description

Test your knowledge of atomic structure and the periodic table with this IGCSE Chemistry study notes quiz. Explore topics like the relative charges and masses of protons, neutrons, and electrons, as well as definitions of proton number and nucleon number. Perfect for revising Unit 3: Atoms, Elements & Compounds.