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AAMI CHEMISTRY EXAM QUESTIONS AND ANSWERS
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AAMI CHEMISTRY EXAM QUESTIONS AND ANSWERS
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AAMI CHEMISTRY EXAM QUESTIONSAND ANSWERS
What is the valence of NE? - answer-0
The chemical symbol for mercury is - answer-hg
T/f the calorie is the standard unit of heat. - answer-true
Nitrate has _____ oxygen atoms and nitrite has _____ oxygen atoms. - answer-3,2
The prefix "micro-" equals: - answer-1/1,000,000
The standard unit of volume is the ___________. - answer-volume
The combining capacity of an element is known as its ____________. - answer-valence
What does the prefix "centi-" represent? - answer-1/100
The branch of chemistry that studies covalently bonded carbon compounds is - answer-
organic chemistry
Freezing point on the celsius scale is - answer-0 degrees celsius
The quantity of heat necessary to raise the temperature of 1 gram of water 1 degree
celsius while at 15 degrees celsius is the _________. - answer-calorie
T/f neon is a noble gas and has a valence of -1. - answer-false
What is the symbol for tetraborate? - answer-(b4o7)-2
Which polyatomic ion is represented by the symbol (nh4)+1 ? - answer-ammonium
Normal human body temperature on the celsius scale is _______ degrees. - answer-37
T/f elements are substances that can only be broken down into simpler substances by
chemical means. - answer-false
T/f 10 ml = 10 cc - answer-true
The study of the physical and chemical changes in the human body that are caused by
the process of death is ________________. - answer-thanatochemistry
What is the valence of oxygen? - answer--2
,Cupric's valence is - answer-+2
Which of the following branches of chemistry deals with inanimate matter? - answer-
inorganic chemistry
The study of the physical and chemical changes involved in the process of death is: -
answer-thanatochemistry
The prefix bio- means: - answer-life
T/f chemistry is the science that investigates the human mind and behavior. - answer-
false
T/f a covalent bond is a chemical bond in which electrons are shared between atoms. -
answer-true
T/f the suffix -ous, indicates the higher valence form of an element with more than one
possible valence. - answer-false
T/f a subscript is a number, written slightly below the line, that precedes the symbol for
an element and indicates the number of atoms of that element that are present in a
compound. - answer-false
The valence of the element barium is: - answer-+2
Argon and neon are: - answer-noble gases, and have a valence of zero
The chemical symbol for the element magnesium is: written as: - answer-mg
The element sodium has the symbol ________, and a valence of _____. - answer-na,
+1
Which of the following is the standard unit of mass? - answer-kilogram
A volume of 16cc is the equivalent of a volume of: - answer-16ml
The symbol for a hydroxide radical is: - answer-(oh)-1
Water freezes at ___________ degrees in the celsius temperature scale. - answer-0
Which of the following is not a physical property of matter? - answer-combustibility.
______________ is defined as anything that has mass and takes up space. - answer-
matter
, T/f mass and weight are not the same thing. Mass depends on the pull of gravity. -
answer-false; weight depends on the pull of gravity
The ability of a substance to absorb water is _____________. - answer-hygroscopicity
Which of the following is not an example of a chemical change? - answer-sublimation of
dry ice
The change of state exhibited by solid embalming powders as they work is: - answer-
sublimiation
A substance that exhibits a quality where it is easily converted at a relatively low
temperature from the liquid to the gaseous state is described as: - answer-volatile
T/f a gas has a definite volume but no definite shape. - answer-false; it has neither
definite volume or definite shape.
Which state of matter has particles with strong attractive forces for each other? -
answer-solids
_______________ can interfere with the diffusion of embalming chemicals from the
capillaries into the tissues during the embalming process. - answer-surface tension
The compound h2so4 contains: - answer-2 atoms of hydrogen, 1 atom of sulfur, and 4
atoms of oxygen
T/f
Metals form positive ions because they donate electrons when bonding with other
elements. - answer-true
The elements are arranged in the periodic table in order of - answer-increasing atomic
number
Two or more elements chemically combined are a ______________, while two or more
elements physically combined are a ______________ - answer-compound, mixture
T/f oxygen is a nonmetal. - answer-true
In the chemical equation, h2 + o2 -----> 2 h2o , o2 is a __________________. - answer-
reactant
_____________ are the fundamental building blocks that make up all matter. - answer-
atoms
Chemical reactions are orderly rearrangements of - answer-atoms
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