Question 1
What is the charge of an electron?Atomic structureAtomic structureeasy
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Question 2
Which of the following elements is a noble gas?The periodic tableThe periodic tableeasy
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Question 3
What type of bond is formed when two atoms share electrons?Chemical bonding and structureChemical bonding and structureeasy
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Question 4
Which state of matter has a definite shape and volume?States of matterStates of mattereasy
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Question 5
In the reaction 2H₂ + O₂ → 2H₂O, what are the reactants?Chemical reactions and equationsChemical reactions and equationseasy
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Question 6
What is the molar mass of water (H₂O)? (H=1, O=16)StoichiometryStoichiometryeasy
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Question 7
Which of the following is a characteristic of acids?Acids, bases, and saltsAcids, bases, and saltseasy
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Question 8
During a redox reaction, what happens to the substance that is oxidized?Redox reactionsRedox reactionsmedium
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Question 9
What is the function of the salt bridge in an electrochemical cell?ElectrochemistryElectrochemistrymedium
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Question 10
How does increasing temperature affect the rate of a chemical reaction?Reaction kineticsReaction kineticsmedium
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