The ESAT course

Chemistry

Get ready for 27 questions in 40 minutes.

50 Lessons583 Questions
  1. Read the atom, predict the group
  2. Reconstruct particle inventories
  3. Test isotope evidence
  4. Separate isotope and charge signals
  5. Read the numbers of an atom
  1. Let structure explain the property
  2. Test what the particle counts establish
  3. Test the charge-carrier model
  4. Separate particle identity from arrangement
  5. Find the moving charge
  1. Turn chemical data into a decision
  2. Keep amount and volume separate
  3. Carry amounts between reactions
  4. Separate purity from recovery
  5. Count particles through mass
  1. Track electrons through a reaction
  2. Balance atoms and electron transfer
  3. Follow the competing electron paths
  4. Count the protons that can react
  5. Keep every atom
  1. Read energy changes, not just arrows
  2. Separate reaction energy from the reading
  3. Read what the bond model predicts
  4. Compare energy differences, not drawing positions
  5. Follow the energy
  1. Make rate visible
  2. Choose a fair rate comparison
  3. Separate rate from amount
  4. What does the catalyst evidence show?
  5. Measure how fast
  1. See the reaction in the carbon chain
  2. Resolve structural evidence
  3. Track ester fragments
  4. Read a polymer chain
  5. Count carbon bonds
  1. Use particle motion to explain change
  2. Read what the particles are doing
  3. Interpret the changing sample
  4. Follow the change between molecules
  5. Track particles through a change
  1. Turn observations into identification
  2. Check the test, then the claim
  3. Read the limits of the evidence
  4. Preserve what you want to identify
  5. Link a test to an observation
  1. Read air as a mixture with consequences
  2. Separate gases without creating them
  3. Connect gas sources and effects
  4. Keep the treatment purposes distinct
  5. Separate a mixture of water

Read the atom, predict the group

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