AQA GCSE Chemsitry Fudamental ideas

Olivia Phillips
Flashcards by Olivia Phillips , updated more than 1 year ago
Olivia Phillips
Created by Olivia Phillips over 5 years ago
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Questions and answers on AQA GCSE Chemistry fundamental ideas, helpful for GCSE students. Questions based on Atoms, elements and compounds, Atomic structures, The arrangement of electrons in atoms, Forming bonds and Chemical equations. I hope these questions help, good luck!

Resource summary

Question Answer
How many different types of atom are there? There are about 100 different types of atom found naturally on Earth.
Why can you make millions of different substances from these different types of atom? Atoms can combine in a huge variety of ways therefore giving us all those different substances.
Why is it useful to have symbols for atoms of different element? The name we use for an element depends on the language being spoken. A lot of scientific work is international. So it is important that we have symbols for elements that everyone can understand.
What are the names of the three particles that make up an atom? 1) Protons 2) Neutrons 3) Electrons
An oxygen atom has 8 protons - how many electrons does it have? 8 electrons
What is the 14th element in the periodic table? Silicon (Si)
Where are the electrons in an atom? Electrons are arranged around the nucleus in shells.
Which shell represents the lowest energy level in an atom? The shell which is nearest to the nucleus.
How many electrons can the first energy level hold? 2 electrons.
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