Question 61
Which solid state structure is characterized by a regular, repeating pattern of atoms in three dimensions?Structure and properties of matterStructure and properties of mattermedium
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Question 62
As you move from left to right across a period in the periodic table, atomic radius generally:PeriodicityPeriodicityeasy
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Question 63
Which of the following will increase the rate of a chemical reaction?Rates of reactions (kinetics)Rates of reactionsmedium
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Question 64
In the equilibrium reaction N2(g) + 3H2(g) ⇌ 2NH3(g), what happens when the pressure is increased?EquilibriumEquilibriummedium
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Question 65
In a redox reaction, the substance that loses electrons is called the:Redox reactionsRedox reactionsmedium
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Question 66
Which type of polymerization involves the joining of monomers with loss of a small molecule like water?Polymer chemistryPolymer chemistryhard
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Question 67
In stoichiometry, how many moles of oxygen gas (O2) are required to react completely with 4 moles of propane (C3H8) in combustion?Calculation chemistry (stoichiometry)Calculation chemistryhard
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Question 68
Which of the following properties is characteristic of ionic compounds?Structure and properties of matterStructure and properties of mattermedium
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Question 69
Which element has the highest electronegativity in Period 3 of the periodic table?PeriodicityPeriodicitymedium
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Question 70
In a reversible reaction at equilibrium, what does Le Chatelier's principle state will happen if the concentration of a reactant is increased?EquilibriumEquilibriummedium
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