Atoms and Particles 0.0 / 5 ? ScienceAtomsGCSEAQA Created by: ArchieGentCreated on: 25-01-17 18:50 What are the three states of matter? Solids, Liquids and Gases 1 of 14 How do gases exert a pressure on the inside of a container? Gas pressure is due to particles hitting a surface 2 of 14 What happens to the pressure of a gas if the temperature is increased? The pressure is increased 3 of 14 What happens to the pressure of a gas if the volume is decreased? The pressure is increased 4 of 14 What is diffusion? When particles "spread out" 5 of 14 What are the three, or five, changes of state? Melting, Boiling, Freezing (Subliming and Condensing) 6 of 14 In what state do particles have the most energy? In a gas state 7 of 14 Does a change in state result in a change in mass? No, it doesnt 8 of 14 What is an atom? A tiny particle that makes up everything in the know universe 9 of 14 What is an element? A substance made from only one atom 10 of 14 In the periodic table, what is a group? A vertical row 11 of 14 In the periodic table, what is a period? A horizontal row 12 of 14 Give the chemical symbol for gold Au 13 of 14 Would lithium or magnesium created a more violent reaction, and why? Lithium, as it is more reactive than magnesium. 14 of 14
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