Matter Exam Question 1

The video tutorial explains the basic concepts of atomic particles, focusing on protons, electrons, and neutrons. It covers how to determine the number of protons and electrons in potassium and argon using atomic numbers. The tutorial also demonstrates how to calculate the number of neutrons using the mass number. Finally, it guides viewers on drawing dot and cross diagrams to represent the electronic configuration of these elements.

What is the atomic number and how does it relate to the number of protons in an atom?

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What is the relationship between the number of protons and electrons in a neutral atom?

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Explain how the mass number is determined and its significance in identifying an element.

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Calculate the number of neutrons in potassium and argon based on their mass numbers and proton counts.

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Describe the electronic configuration of potassium and argon, including the distribution of electrons in their shells.

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