Chemistry of Life
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| As the concentration of hydroxide ions (OH–) increases, the: | show 🗑
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| show | isotope.
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| A substance that cannot be broken down or decomposed into two or more different substances is called a(n) | show 🗑
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| show | covalent
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| Chemical bonds formed by the sharing of electrons are called: | show 🗑
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| Acids | show 🗑
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| show | polar.
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| show | hydrolysis
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| show | called cations if they have a positive charge.
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| show | 96%
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| The type of chemical reaction most likely to require energy is a(n) _____ reaction. | show 🗑
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| show | octet rule.
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| show | can form as the result of a chemical reaction between acids and bases, are electrolytes, will form crystals if the water is removed.
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| The element oxygen has an atomic number of 8, which means it contains: | show 🗑
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| Ionic bonds are chemical bonds formed by the: | show 🗑
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| An atom can be described as chemically inert if its outermost electron shell contains _____ electrons. | show 🗑
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| show | electrolytes.
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| show | synthesis reaction.
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| The atomic number tells you the | show 🗑
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| Which subatomic particles carry a charge? | show 🗑
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| What term is used to describe all of the chemical reactions that occur in body cells? | show 🗑
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| A molecule that is polar: | show 🗑
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| show | hydrolysis
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| A weak acid: | show 🗑
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| For sodium to transform from a neutral atom to a positive ion, it must: | show 🗑
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| show | down; acidic
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| Which type of chemical reaction results in the breakdown of a complex substance into two or more simpler substances? | show 🗑
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| show | Radon
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| show | breaks down compounds by adding
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| A force holding two atoms together is a(n) | show 🗑
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| show | polar.
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| The most abundant element essential to life is | show 🗑
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| show | protons in its nucleus.
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| show | solution becomes more acidic.
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| The type of reaction in which substances are combined to form more complex substances is called a(n) _____ reaction. | show 🗑
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| show | protons.
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| show | hydrolysis.
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| A magnesium atom has an atomic number of 12, an atomic mass of 25, and a +2 charge. This atom would contain _____ protons, _____ neutrons, and _____ electrons. | show 🗑
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| Which of the following elements is least likely to combine with another element? | show 🗑
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| Which of the following is not one of the major elements present in the human body? | show 🗑
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| show | two
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| An example of a catabolic process is: | show 🗑
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| An ionic bond is formed by: | show 🗑
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| show | Decomposition
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| The formation of sucrose involves the removal of a molecule of water. This is called: | show 🗑
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| When atoms combine, they may gain, lose, or share: | show 🗑
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| The study of metabolism includes examination of: | show 🗑
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| The approximate pH of gastric fluid is: | show 🗑
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| A solution that contains a greater concentration of hydroxide ions (OH–) than hydrogen ions (H+) is a(n) _____ solution. | show 🗑
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| show | Ne.
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| show | 50%
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| show | turn blue.
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| Atomic mass is determined by the number of: | show 🗑
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| show | exchange
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| show | water.
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| show | are proton donors, taste sour, release hydrogen ions in an aqueous solution.
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| show | electron.
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| Which of the following represents a trace element in the body? | show 🗑
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| show | bases.
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| show | Four
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| show | one proton and two neutrons
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| Which of the following represents properties of water? | show 🗑
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| show | Hydrogen
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| The octet rule refers to the: | show 🗑
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| show | neutrons
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Created by:
DianneJerez