STAAR Summative Review Atomic Structure and Periodic Table
By MICHELLE BRUMLEY
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Last updated about 2 years ago
43 Questions
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STAAR Summative Review Atomic Structure and Periodic Table
We will work through the first half together as a review and you will finish the last questions by yourself.
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1.
On the whiteboard image, add the correct numbers of subatomic particles based on the provided models.
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2.
How many more protons are in Atom B?
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3.
What is the difference between the number of electrons between the two atoms?
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4.
How are these two atoms similar?
Identity and Reactivity
Analyze the chart to answer the questions. Make sure you give a justification.
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5.
Which part of an atom is most reliable in giving you the identity of the atom? Justification:
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6.
Which is more reactive, boron or lithium? Justification:
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7.
Which is the least reactive element in the table? Justification:
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8.
Which elements have similar reactivities? Justification:
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9.
What is the identity of the unknown element? You may need to refer to the periodic table? Justification:
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10.
The Periodic Table of Elements
Place each element or group of elements where they would be located on the blank periodic table.
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11.
Place each element or group of elements where they would be located on the blank periodic table.
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12.
Place each element where you think they would be located on the blank periodic table based on the atom model.
Use a periodic table to help answer the following questions about the atom below.
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13.
Describe the position of this element on a periodic table. Justify your answer.
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14.
List another element that would have similar chemical properties to this element.
Independent Practice
The next section of your formative will be completed by yourself to check your understanding of atomic structure and the periodic table.
Write your answers to the questions on a sheet of paper, so that you can easily input your answers.
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15.
Atoms of which two elements have a combined total of 23 protons?
SCI.8.5b
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16.
A scientist performs tests on a sample of an element. The element is a shiny solid that conducts electricity and heat. The scientist is able to bend and flatten the sample when pressure is applied to it.
Based on this information, the element could NOT be a member of which group on the periodic table?
SCI.8.5c
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17.
The diagram shows a model of an atom. The model has four different symbols on it. Each symbol represents a different role for one of the particles within the atom.
In this model, which particle determines the reactivity of this atom?
SCI.8.5b
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18.
One of the properties that makes copper, Cu, useful for household wiring is its ability to conduct electricity. Which other element is most likely to conduct electricity?
SCI.8.2e
SCI.8.5c
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19.
Which pair of elements has reactivity that is similar to chlorine, Cl?
SCI.8.5b
SCI.8.2e
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20.
Which pair of elements are nonmetals and gases at room temperature and normal atmospheric pressure?
