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Which of the following statements accurately describe ice:
I. Ice is denser than water.
II. Hydrogen bonds hold ice molecules closer together than they do liquid water molecules.
III. Ice has a crystalline structure.
Question 22.Water is:
Question 33.Which of the following is a strong acid?
Question 44.What is the difference between an element and a molecule?
Question 55.When do the strongest chemical bonds occur?
Question 66.Two atoms with the same electronegativity would form what kind of bond?
Question 77.If only one type of atom makes up a substance, what can you call this substance?
Question 88.Of the following, which has the highest concentration of H+ ions? Lemon juice, pH = 2; Mylanta, pH = 10; Sprite, pH = 3; seawater, pH = 8.
Question 99.Oxidation describes the process of:
Question 1010.In covalently bonded molecules, oxidation and reduction are determined by:
Question 1111.Which of the following is NOT a hydrophobic substance?
The second law of thermodynamics states that:
I. Energy can neither be created nor destroyed
II. All free energy cannot be converted into usable energy
III. The entropy of a system increases over time
Question 1313.Why does ice float in water?
Question 1414.Particles that are found in the atomic nucleus are:
Question 1515.Which of the following statements about chemical reactions is true?
Question 1616.Which of the following is NOT true?
Question 1717.Nitrogen atoms can form triple bonds with each other. What is a triple bond?
If a carbon atom has four valence electrons, which of the following statements are true?
I. Carbon can form a triple covalent bond with another carbon atom.
II. A carbon atom cannot form two double bonds simultaneously.
III. A carbon atom can form four single covalent bonds simultaneously.
Which of the following concepts help explain why water can travel up a narrow tube?
III. Specific Gravity
Question 2020.What is the role of a buffer?
Question 2121.Which of the following properties helps explain why a city near the Pacific Ocean experiences less dramatic changes in temperature during the day compared to a city farther inland?
Question 2222.What do you think would happen if you added a sugar crystal to a super saturated solution of sugar in water?
Question 2323.If Argon is a noble gas and its atomic number is 18, how many electrons can be found in the valence level?
Question 2424.The atomic number of an element refers to the number of _ in an atom.
Question 2525.What is the part of the atom that determines how the atom behaves chemically?
Question 2626.An element is defined by the number of:
Question 2727.In the following chemical equation, what is the reducing agent?
Which of the following statements are true?
I. Noble gases complete their valence level by sharing electrons.
II. Covalent bonds are weak and easily broken.
III. Covalent bonds allow us to make predictions on how the molecule will look.
Question 2929.The conjugate base of a strong acid is a:
Question 3030.Which of the following statements about water is true?
Review of Inorganic Chemistry For Biologists Chapter Exam Instructions
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