Chemistry 1 0.0 / 5 ? ChemistryCrude oil, cracking and hydrocarbonsPolymersGCSEAQA Created by: charlottef003Created on: 26-03-15 16:41 What is an atom? a substance made up of one type of atom. 1 of 5 What is a compound? a substance made up of two or more different atoms 2 of 5 What is a mixture? a substance made up of compounds and atoms 3 of 5 What are electrons? atoms which move around the nucleas in shells 4 of 5 what does the nucleas include? protons and neutrons 5 of 5
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