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Atomic Structure

Revision of Atomic Structure and Periodic Table chapters

QuestionAnswer
What is the atomic number of an element? The number of protons in an atom of the element.
What is the mass number of an element? The number of protons and neutrons in an atom of the element.
How many protons in an atom of Carbon? 6
How many electrons in an atom of Fluorine? 9
How many neutrons in an atom of Sodium? 12
How many electrons in an atom of phosphurus? 15
How many neutrons in an atom of potassium? 20
How many protons in an atom of Argon? 18
What is the charge on a proton? Positive
What is the charge on a neutron? 0
What is the charge on an electron? Negative
Where are the protons and neutrons located in an atom? The nucleus
What are the paths that electrons travel on called? Orbits or Shells
What is the electronic configuration of Aluminium? (2, 8, 3)
What is the electronic configuration of Calcium? (2, 8, 8, 2)
What are the horizontal rows in the Periodic Table called? Periods
What are the vertical columns called in the Periodic Table? Groups
What are Group I in the Periodic Table more commonly known as? Alkali Metals
What are Group 2 in the Periodic Table more commonly known as? Alkaline Earth Metals
What are Group 7 in the Periodic Table more commonly known as? Halogens
What are Group 8 in the Periodic Table more commonly known as? Noble (Inert) Gases
Name the gas produced when the Alkali Metals react with water. Hydrogen
What are Isotopes? Atoms of the same element that have the same number of protons but a different number of neutrons.
Created by: joeykenn
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