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AAMI GEN 313 - INTRO TO CHEMISTRY EXAM Q&A
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AAMI GEN 313 - INTRO TO CHEMISTRY EXAM Q&A
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AAMI GEN 313 - INTRO TO CHEMISTRYEXAM Q&A
What is the movement of molecules in solution from an area of greater to lesser
concentration until uniform concentration is reached? - Answer-Diffusion.
What is the abbreviation of the name in an element? - Answer-Symbol.
What force occurs at the interfaces of solutions and cell membranes limiting the
diffusion of embalming chemicals into the tissues by contracting the surface of the
solution? - Answer-Surface Tension.
What is the standard unit of volume? - Answer-Liter.
What is defined as anything having mass and occupying space? - Answer-Matter.
What is a liquids resistance to flow? - Answer-Viscosity.
What is the physical change from a liquid to a gas? - Answer-Vaporization.
What is hygroscopicity? - Answer-Ability to absorb water.
Which is not a physical property of matter?
a) solubility
b) sublimation
c) conductivity
d) hygroscopicity
e) density
f) viscosity
g) specific gravity - Answer-B) Sublimation.
Which physical state of matter has definite shape & volume? - Answer-Solid.
Which is not a chemical change in matter?
a) cremation
b) decomposition
c) evaporation
d) embalming
e) rusting
f) burning - Answer-C) Evaporation.
What is a change in a substances state from gas to liquid? - Answer-Condensation.
What is the temperature at which a solid converts to a liquid? - Answer-Melting point.
,What characteristics distinguish one kind of matter from another? - Answer-Properties.
What is obtained by dividing the mass of a substance by its volume? - Answer-Density.
Which of the following is a noble gas?
a) F
b) Ar
c) Br
d) Ag
e) Pb
f) N
g) H - Answer-B) Ar.
What is the conversion of a gas or solid into a liquid form as a result of a physical
change? - Answer-Liquefaction.
What is the conversion of a liquid or gas into a solid form? - Answer-Solidification.
What force occurs at a liquids surface forming a barrier? - Answer-Surface tension.
How many degrees does a calorie raise the temperature of 1 gram of water while at
15C? - Answer-1 degree.
What is the degree of thickness of a liquid? - Answer-Viscosity.
Which of the following substance's components retain their own properties and can be
separated by physical means? - Answer-Mixtures.
What physical state of matter has no definite shape but does have definite volume? -
Answer-Liquid.
What is the basic substance of an element that takes part in a chemical reaction? -
Answer-Atom.
Which occurs when different kinds of matter react with each other and produce a
chemical change? - Answer-Chemical reaction.
What is the smallest particle of a compound that can exist and still maintain the
properties of that compound? - Answer-Molecule.
What is the smallest fundamental unit of an element, maintaining the distinguishing
feature of that element? - Answer-Atom.
What is the process by which a substance is given definite form? - Answer-
Crystallization.
, What can be defined as two or more chemically combined elements in definite
proportions by weight? - Answer-Compound.
What is a substance that cannot be broken down any further by ordinary chemical
means? - Answer-Element.
What is a combination of symbols that expresses the chemical composition of a
substance? - Answer-Formula.
What is the process of solid going to a gas, skipping the liquid state? - Answer-
Sublimation.
What is the measure of the gravitational pull on an object? - Answer-Weight.
What is the quantity of matter in an object? - Answer-Mass.
Which of the following refers to the rate at which a chemical substance undergoes a
chemical reaction? - Answer-Reactivity.
What is the ability of a substance to burn? - Answer-Combustibility.
What is energized gas? - Answer-Plasma.
What determines the position an element will take on the period table? - Answer-Atomic
number.
Which of the following is not a physical change in matter? - Answer-Souring milk.
What is a substances ability to dissolve? - Answer-Solubility.
What tells the number of atoms of each element present in the compound? - Answer-
Subscript.
True or False: Metallic elements tend to form negative ions. - Answer-False.
True or False: A non-metal is an element that is marked by luster. - Answer-False.
True or False: The elements in a compound are always present in the same proportion.
- Answer-True.
True or False: A subscript is a small number that is written to the left of and below the
symbol. - Answer-False.
True or False: Chemical reactions are orderly arrangements of extremely minute
particles of matter called atoms. - Answer-True.
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