FREE AND STUDY GAMES ABOUT TRACY REGUSCI EXAM

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FREE AND STUDY GAMES ABOUT TRACY REGUSCI EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -65 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: The atomic number tells you the

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number of protons in the nucleus.Question 2: The atomic number of carbon is 6. How many unpaired electrons are in its outer shell?

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4 Question 3: A chemical bond formed by the sharing of one or more pairs of electrons between the outer shells of two atoms is called a(n) _____ bond.

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covalent Question 4: An atom can be described as chemically inert if its outermost electron shell contains _____ electrons.

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• or 2

Question 5: Salts: can form as the result of a chemical reaction between acids and bases.are electrolytes.will form crystals if the water is removed.All of the above are correct.

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all of the above Question 6: The hydrogen isotope tritium consists of:

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one proton and two neutrons.Question 7: An example of a catabolic process is:

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hydrolysis.

Question 8: Acids, bases, and salts belong to a large group of compounds called

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electrolytes.Question 9: An example of a catabolic process is:

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hydrolysis

Question 10: A force holding two atoms together is a(n)

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chemical bond Question 11: The type of reaction in which substances are combined to form more complex substances is called a(n) _____ reaction.

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synthesis

Question 12: A solution that contains a greater concentration of hydroxide ions (OH-) than hydrogen ions (H+) is a(n) _____ solution.

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alkaline (basic) Question 13: Acids: release hydrogen ions.have a pH above 7.take up hydroxyl ions.release hydrogen ions and have a pH above 7.

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release hydronen ions Question 14: The process of the digestion of food is an example of which type of reaction?

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Decomposition Question 15: The most abundant and important compound(s) in the body is(are):

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water Question 16: The octet rule refers to the:

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stability of the atom when there are eight electrons in the outermost energy level.

Question 17: AB + CD ? AD + CB is an example of a(n) _____ reaction.

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exchange Question 18: Atomic mass is determined by the number of:

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protons and neutrons.

Question 19: Carbon has an atomic number of 6. The number of electrons found in the first shell

is:

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2 Question 20: Which type of chemical reaction results in the breakdown of a complex substance into two or more simpler substances?

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decomposition reaction Question 21: An element that contains the same number of protons but different numbers of neutrons is called a(n)

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isotope.Question 22: The total number of electrons in a neutral atom equals the number of:

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protons in its nucleus.

Question 23: The most abundant element essential to life is

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carbon Question 24: An isotope of an element contains different numbers of ____ from other atoms of the same element.

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neutrons Question 25: The formation of sucrose involves the removal of a molecule of water. This is

called:

Answer:

dehydration synthesis.