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- 1. Multiple Choice
The periodic table, arranges elements according to their properties. Elements at the left are metals and have the properties you’d expect a metal to have. Based on its location in the periodic table, what statement best describes the element Ca?
It breaks easily like glass.
It is shiny and can be bent and shaped.
It is doesn’t conduct electricity
It is definitely not a metal.
- 2. Multiple Choice
The element calcium (Ca) is located in the second group on the periodic table. Elements in the same group as calcium have chemical properties similar to those of calcium. What else do these elements have in common?
atomic number
number of neutrons
average atomic mass
number of valence electrons
- 3. Multiple Choice
What is the name of the illustration that shows all the known elements?
element table
periodic table
star chart
solar system model
- 4. Multiple Choice
Copper, gold, and iron all have some of the same characteristic properties. They are all shiny, and they conduct electricity. They can be hammered into a shape and drawn into a wire. What classification of elements includes copper, gold, and iron?
gas
metal
nonmetal
metalloid
- 5. Multiple Choice
A portion of the periodic table is shown.
What is true of elements within a period?
Their atomic numbers increase by 1 from left to right.
Their atomic numbers increase by 1 from top to bottom.
Their average atomic masses increase by 1 from left to right.
Their average atomic masses increase by 1 from top to bottom
- 6. Multiple Choice
Find chlorine and bromine in the above section of the periodic table.
What is true about these two elements?
They are both metalloids.
They are in the same period.
They have the same average atomic mass.
They are in the same group.
- 7. Multiple Choice
The periodic table of the elements is divided by a zigzag line, as shown. The elements on one side of the line have properties distinct from those on the other side of the line.
Which of the following is TRUE for most of the elements that lie along the zigzag line?
They are metalloids.
They are nonmetals
They are transition metals.
They are metals.
- 8. Multiple Choice
The periodic table has rows and columns that organize the elements by similarities. What is the name for a row in the periodic table?
family
group
period
section
- 9. Multiple Choice
The periodic table has a lot of information in the form of letters and numbers. The information is organized into boxes, which are placed in rows and stacked in columns. Which of the following does each box represent?
a compound
an element
a group
a period
- 10. Multiple Choice
Webb is testing samples of different elements. One sample is a dull, yellow solid that breaks into powdery pieces when he hits it with a hammer. How should Webb classify the yellow solid?
as a nonmetal
as a metal
as a metalloid
as a gas
- 11. Multiple Choice
Which describes how elements are arranged in the periodic table?
by increasing atomic mass
by increasing atomic number
by chemical name
by chemical symbol
- 12. Multiple Choice
Which best describes a substance that has ductility?
it is not shiny
it can be made into a wire
it is brittle
it can be made into a good insulator
- 13. Multiple Choice
What do elements in the same group on the periodic table have in common?
They have similar chemical symbols.
They have the same atomic number
They have similar chemical properties.
They have the same average atomic mass.
- 14. Multiple Choice
The prefix semi- means “partly.” Based on your knowledge of the properties of elements, which kind of element is most likely used to make semiconductors?
liquids
metalloids
metals
nonmetals
- 15. Multiple Choice
Some compounds are classified as acids or bases. The pH scale shows how acidic or how basic these compounds are. The lower the pH, the more acidic a compound is. The higher the pH, the more basic it is. Sodium hydroxide, a compound commonly found in drain cleaners, has a pH of 13.Which of these phrases describes sodium hydroxide?
highly basic
highly acidic
slightly basic
slightly acidic
- 16. Multiple Choice
The pH scale shows whether a compound is acidic, basic, or neutral. Sodium chloride, which is table salt, is neutral. Neutral compounds are neither acidic nor basic.
From the scale, what is the pH of sodium chloride?
0
7
10
14
- 17. Multiple Choice
Which is most likely to be damaged by an acid?
a glass jar
a plastic bottle
a gold bracelet
an aluminum can
- 18. Multiple Choice
A student drops a bottle of shampoo because his hands were slippery from the shampoo. Other than its slippery feel, what other tests would confirm which type of compound was in the shampoo?
It turns red litmus paper blue
it reacts with metals
it tastes sour
it turns blue litmus paper red
- 19. Multiple Choice
The element sulfur (S) is found in group 16 on the periodic table. Find sulfur on the periodic table below to answer the following question.
Elements in the same group have similar chemical properties. Why do the elements in group 16 share similar chemical properties?
These elements are all nonmetals.
These elements are found in the same period.
These elements all have the same atomic number.
These elements’ atoms have the same number of valence electrons.
- 20. Multiple Choice
Which property differentiates metalloids from metals and nonmetals?
metalloids are much shinier than nonmetals and metals
metalloids are more reactive than metals and nonmetals
metalloids conduct less heat and electricity than nonmetals and metals
metalloids can have properties of metals and non metals
- 21. Multiple Choice
Litmus paper is a pH indicator that turns red in acids and blue in bases. A student tests egg whites and vinegar with litmus paper. The results are in the table:
paper in cup A will turn blue and paper in cup B will turn red
paper in cup A will turn blue and paper in cup B will turn blue
paper in cup A will turn blue and paper in cup B will turn blue
paper in cup A will turn red and paper in cup B will turn blue
- 22. Multiple Choice
Based on the periodic table which of the following sets of elements have similar properties?
O, S, Y
Ne, N, O
Pb, Sn, Kr
Cl, Br, I
- 23. Multiple Choice
A student uses a pH indicator to determine the pH of three solutions. The results from the test are in the table below. Which list shows the solutions from LEAST basic to MOST basic?
lemon juice, distilled water, ammonia
lemon juice, ammonia, distilled water
distilled water, lemon juice, ammonia
ammonia, distilled water, lemon juice
- 24. Multiple Choice
Atoms of the elements found in the periodic table can bond with one another in a wide range to produce small or large molecules. These molecules can then break apart, allowing atoms to form new molecules. In this context, what are elements of the periodic table MOST like?
a library full of books
paragraph in an essay
the letters of the alphabet
the picture on a magazine cover
- 25. Multiple Choice
Which property is directly used by chemists to group elements on the periodic table?
light sensitivity
density
opacity
metallic nature
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