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WorksheetsChapter 14 REVIEW
Total questions: 16
Worksheet time: 9mins
What particle in an atoms nucleus has no charge?
Proton
Neutron
Newton
Electron
In the electron cloud model of the atom, what does the electron cloud contain?
electrons and protons
electrons and neutrons
electrons and a little empty space
electrons and a lot of empty space
A scientist knows that a pure substance has 6 protons in the nucleus of each of its atoms. Which of the following can the scientist conclude?
the substance has a positive charge
the substance has a negative charge
the substance can be identified as a metal
the substance can be identified as a specific element
In a lab, a student observes a sample of an element. It is brittle and a poor conductor of heat. It cannot be hammered into sheets. Which type of element is the student most likely observing?
A metal
Aluminum
A metalloid
a nonmetal
The element Zirconium (Zr) is a metal. Where will Zirconium be found on the periodic table?
on the left side
on the right side
above the main part of the table
under the main part of the table
The measure of the amount of a solute dissolved in a solvent is called...
formula
pH level
solubility
concentration
The diagram shows Thomson's plum pudding model of the atom. Which of the following is true?
This correctly shows that electrons orbit the nucleus
This correctly shows electrons orbit the nucleus shells
This correctly shows that the atom has a negative charge
This correctly shows that the atom has negatively charged particles called electrons
The chemical formula for water is H2O. This information tells you that water is ...
a mixture
a solution
an element
a compound
A student has a mixture of small pieces of iron filing and sand. How can the student separate the mixture?
use heat
perform a litmus test
use a magnet
dissolve the mixture
How can the solubility of a solution be decreased?
Heat it up
stir it
crush it
cool it
How many protons does Selenium (Se) have?
7
17
34
68
Which element will have similar chemical properties to Sulfur (S)?
Chlorine (Cl)
Selenium (Se)
Aluminum (Al)
Phosphorus (P)
These type of elements touch the "zig-zag" line in the periodic table.
Antinides
nonmetals
metalloids
lanthanides
A student performs a pH test on a liquid and finds that it's pH is between 11 and 12. Therefore it is ....
Basic
Acidic
neutral
Either or depending on the concentration
An artist needs a chemical compound that will react strongly with a metal in order to form a new compound. Which substance would be the best choice?
a base
an acid
a lanthanide
a litmus test
A student makes a glass of lemonade using water and a powdered mix. In the solution the student makes, the ________ is the solute and __________ is the solvent?
(a)
