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Chemistry Paper 1 Edexcel GCSE 9-1 Exam Questions with correct Answers latest 2025( A+ GRADED 100% VERIFIED).

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Chemistry Paper 1 Edexcel GCSE 9-1 Exam Questions with correct Answers latest 2025( A+ GRADED 100% VERIFIED).

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Chemistry Paper 1 Edexcel GCSE 9-1
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Chemistry Paper 1 Edexcel GCSE 9-1








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Institution
Chemistry Paper 1 Edexcel GCSE 9-1
Course
Chemistry Paper 1 Edexcel GCSE 9-1

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Uploaded on
January 7, 2025
Number of pages
4
Written in
2024/2025
Type
Exam (elaborations)
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Questions & answers

Subjects

  • atomic number ans

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Chemistry Paper 1 Edexcel GCSE 9-1
anion - ANS- negatively charged particles

atom - ANS- smallest particle of an element

atomic mass - ANS- the total number of protons and neutrons

atomic number - ANS- the number of protons and electrons

cation - ANS- positively charged ion

compound - ANS- elements that are chemically joined together

condensation - ANS- changing state from a gas to a liquid

covalent bonding - ANS- sharing of electrons between to non- metals.
E.g ammonia NH4(nitrogen in middle and four hydrogen surrounding)

crystallisation - ANS- solutes which have dissolved in solution are separated by
evaporating solvent, to leave solutes behind. The longer left to cool the larger the
crystals

deposition - ANS- changing state from a gas to a solid

electron - ANS- - a negatively charged particle
- has a mass 1/2000
- found in energy levels which surround the nucleus.

electron configuration - ANS- 2,8,8..
E.g magnesium has an atomic number of 12 so its electron configuration will be 2.8.2

electrostatic forces - ANS- strong forces of attraction between oppositely charged
particles

evaporating and boiling - ANS- changing state from a liquid to a gas

examples of simple covalent compounds and their properties - ANS- - methane
- oxygen
- water

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