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Chemistry Review Practice 1
Terms in this set (50)
In which of the following liquids is hexane most likely to dissolve?
Three different people weigh a standard mass of 2.00 g on the same balance. Each person obtains a reading of 7.32 g for the mass of the standard. These results imply that the balance that was used is
Of the elements Pt, V, Li, and Kr, which is a nonmetal?
What is the electron configuration of potassium?
1s^2 2s^2 2p^2 3s^2 3p^6 4s^1
Alkanes are hydrocarbons that contain what type of bonds?
single covalent bonds only
The principal quantum number indicates what property of an electron?
What is the next atomic orbital in the series 1s, 2s, 2p, 3s, 3p?
The general name for hydrocarbons with at least one triple covalent bond is
Which of the following carbon skeletons represents a carboxylic acid?
What is the simplest alkane?
Elements that are characterized by the filling of p orbitals are classified as ____.
groups 3A through 8A
The expression of 5008 km in scientific notation is ____.
5.008 x 10^3
A reaction in which small nuclei combine to form a heavier nucleus is a ____.
Which of the following measurements contains two significant figures?
0.000 44 L
Which of the following naturally occurring radioisotopes would be most useful in dating objects thought to be millions of years old?
carbon-14; t1/2= 5.73 x 10^3 years
How many unpaired electrons are in a sulfur atom, which has the atomic number 16?
What compound is the simplest aromatic compound?
In which of the following is the number of neutrons correctly represented?
238/92 U has 146 neutrons.
Which of the following elements is in the same period as phosphorus?
Express the sum of 7.68 m and 5.0 m using the correct number of significant digits.
Which of the following is the same as a beta particle?
What is another name for the representative elements?
Group A elements
Which of the following electron configurations is most likely to result in an element that is relatively inactive?
a filled highest occupied principal energy level
The particles that are found in the nucleus of an atom are ____.
protons and neutrons
The diameter of a carbon atom is 0.000 000 000 154 m. What is this number expressed in scientific notation?
1.54 x 10^-10 m
Which of the following measurements is expressed to three significant figures?
7.30 x 10^-7
How many protons, electrons, and neutrons does an atom with atomic number 50 and mass number 125 contain?
50 protons, 50 electrons, 75 neutrons
Which of the following compounds is trichloromethane?
1C, 1H, and 3Cl
All atoms are
neutral, with the number of protons equaling the number of electrons.
Which of the following is one way that nuclear reactions differ from chemical reactions?
Nuclear reactions are not affected by temperature.
Why are the molecules of hydrocarbons nonpolar?
The electron pair is shared almost equally in all the bonds.
What particle is emitted in alpha radiation?
The light given off by an electric discharge through sodium vapor is ____
an emission spectrum
How many energy sublevels are in the second principal energy level?
The least penetrating form of radiation is ____
What is the shape of the 3p atomic orbital?
What particle does argon-39 (atomic number 18) emit when it decays to potassium-39 (atomic number 19)?
What particle is needed to complete this nuclear reaction?
Which subatomic particle plays the greatest part in determining the properties of an element?
What is one of the products of most condensation polymerization reactions?
Which of the following is true about subatomic particles?
The mass of a neutron nearly equals the mass of a proton.
Which of the following is a condensed structural formula for propane?
Isotopes of the same element have different
Which of the following sets of symbols represents isotopes of the same element?
M-38 M-38 M-38
Which of the following is true of isopropyl alcohol?
It has a relatively high boiling point.
Which of the following compounds is an unsaturated hydrocarbon?
What is the name of the alkane having five carbons?
The atomic number of an element is the total number of which particles in the nucleus?
What are the Group 1A and Group 7A elements examples of?
To what category of elements does an element belong if it is a poor conductor of electricity? ____
THIS SET IS OFTEN IN FOLDERS WITH...
TEST 10 Chemistry
Chapter 10 Chemistry Review
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