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Chemistry 1st Semester test
Terms in this set (48)
Which apparatus would a student use to measure a mass of 42.484 grams?
The student should use an electronic balance to measure mass
Which of the following is NOT a reasonable physical change that they observed?
The iron and water formed rust
Which piece(s) of scientific equipment will be needed to perform the investigation to see if the antacid will dissolve in water more quickly than other brands of antacids?
1-graduated cylinder, 2-beaker, 3-triple beam balance, 4-timing device
Which of the following is a correct statement regarding mixtures?
Mixtures are composed of more than one substance
Which of the following is considered to be a chemical property of matter?
Which two physical properties are used to describe matter?
Mass and volume
Which of the following is considered to be a physical property of matter?
In which phase does mater have a definite volume and shape?
In which of the following phases does matter have a definite volume, but no definite shape?
In which of the following phases does matter have no definite shape or volume?
Which safety rules should be followed when mixing these in a lab experiment?
All of the above rules should be followed
Given the following data, what can you determine about the contents of the two containers?
The liqid in A has a lower rate of evaporation than B
Identify whether sodium and distilled water is a homogeneous mixture, a heterogenous mixture, or a compound
Homogenous mixture because even though there was a different amount of substances in the mixture, it could still be separated by evaporation
Which of these is the best method of eye protection?
Which of the following would be the most helpful in identifying this unknown white crystalline solid?
Find the crystal's melting point
What is the atomic mass of the other isotope of silver?
What is the maximum number of electrons found on an f orbital?
What is the maximum number of electrons found on a d orbital?
What is the maximum number of electrons that can be found on a p orbital?
What is the maximum number of electrons found on an s orbital?
How many dots would be used in a Lewis dot structure for carbon?
The dots in a Lewis dot structure represent
What element would have the electron configuration of 1s2, 2s2, 2p6, 3s2?
Which element is represented with an electron configuration of [Kr] 5s2, 4d10, 5p2
Which of the following is the correct electron configuration for Bromine?
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5
The number of valence electrons in Group 2 elements is
Which of the following describes the properties of noble gases?
They are generally unreactive
How is the element in group 15, period 4 classified?
Which of the following elements is in group 16 and period 2 on the periodic table?
Which group on the periodic table of elements is called the noble gases?
Which element is a member of the alkaline earth metals on the periodic table of elements?
What is the chemical formula for disulfur decafluoride?
Iron (2) Oxide
Iron (3) Oxide
What is the correct name for the following compound? H2O
What is the correct name for the following compound? HClO3
What is the name of the compound AlPO4?
What is the formula for Barium Nitrate?
What is the formula for Tin (4) Oxide?
What is the name for the compound N2O3?
What is the formula for calcium carbonate?
How man double bonds are in the Lewis structure for carbon dioxide, CO2?
Which of the following is the most appropriate thing to do with the excess chemicals?
Read the MSDS for proper disposal of each unused chemical.
When working with chemicals in the laboratory, which of the following is something you should not do?
Pour any unused chemicals back into their original containers
What should be used to put out a fire in a person's hair or clothing?
A fire blanket
Who is responsible for returning the materials to their proper places?
Students who did the investigation
Which list of elements contains at least one nonmetal?
Rb, S, Ti
Which of these sets of elements contains at least one metal?
N, O, Pb
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