science 0.0 / 5 ? ScienceChemistryGCSEAQA Created by: XGryllsCreated on: 09-01-20 17:32 Why is sodium less reactive than potassium? Down the group the atoms get bigger so their nuclear charge decreases 1 of 6 What is the equation for the gradient of a line Gradient= rise over sum = m=y2-y1 over x2-x1 2 of 6 On a graph where would the activation energy be ? It's in between the reactants and the transition state 3 of 6 What's the formula for nitric acid? HNO3 (one hydrogen, one nitrogen and three oxygens) 4 of 6 What's the colour of nitric acid and ammonia solution? nitric acid is colourless and ammonia solution is blue 5 of 6 A solution of hydrochloric acid contains 3.2g of hydrogen chloride in 50cm3 Calculate the concentration of hydrogen chloride in g per dm3 Concentration= 0.25 6 of 6
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