ATI TEAS Guide To Science | The Periodic Table Question Review
ATI TEAS Science The Periodic Table
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Question 1 of 8
1. Question
Which of the following elements is most highly reactive?
Correct
Fluorine is a member of the halogen group, whose elements are highly reactive. Argon, neon, and radon are members of the noble gases group, whose elements are extremely stable.
Incorrect
Fluorine is a member of the halogen group, whose elements are highly reactive. Argon, neon, and radon are members of the noble gases group, whose elements are extremely stable.
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Question 2 of 8
2. Question
Which of the following elements is the best heat conductor?
Correct
Metals are better conductors of heat and electricity than are non-metals. Iron is the only metal among the answer choices. Phosphorus, sulfur, and selenium are all nonmetals.
Incorrect
Metals are better conductors of heat and electricity than are non-metals. Iron is the only metal among the answer choices. Phosphorus, sulfur, and selenium are all nonmetals.
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Question 3 of 8
3. Question
Tungsten (W) has greater electronegativity than which of the following?
Correct
Tungsten is located on the sixth row of the periodic table, and it has an atomic number of 74. Electronegativity increases as you move from left to right across a period (row) of the table, and it decreases as you move down a group (column) of the table. Hafnium is located to the left to tungsten on the sixth row, so it has a lower electronegativity value.
Incorrect
Tungsten is located on the sixth row of the periodic table, and it has an atomic number of 74. Electronegativity increases as you move from left to right across a period (row) of the table, and it decreases as you move down a group (column) of the table. Hafnium is located to the left to tungsten on the sixth row, so it has a lower electronegativity value.
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Question 4 of 8
4. Question
Atoms of which of the following elements have the highest ionization energy?
Correct
Ionization energy increases as you move from left to right across a period (row) of the table. Nickel is the element located the farthest to the right of the four elements mentioned, which all lie on the fourth row of the periodic table. Nickel therefore has the highest ionization energy.
Incorrect
Ionization energy increases as you move from left to right across a period (row) of the table. Nickel is the element located the farthest to the right of the four elements mentioned, which all lie on the fourth row of the periodic table. Nickel therefore has the highest ionization energy.
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Question 5 of 8
5. Question
Which of the following atoms has the smallest atomic radius?
Correct
The length of the atomic radius decreases as you move from left to right across a period (row) of the table, and it increases as you move down a group (column) of the table. Strontium is located to the right of rubidium on the fifth row and above barium and radium in the second column, so its atoms have the smallest atomic radii.
Incorrect
The length of the atomic radius decreases as you move from left to right across a period (row) of the table, and it increases as you move down a group (column) of the table. Strontium is located to the right of rubidium on the fifth row and above barium and radium in the second column, so its atoms have the smallest atomic radii.
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Question 6 of 8
6. Question
Which of the following indicate the number of electrons in a neutral atom of zinc (Zn)?
Correct
Zinc is found in the fourth row of the periodic table with an atomic number of 30. Its atoms therefore have 30 protons. A neutral atom of zinc would have the same number of electrons as protons, or 30 electrons.
Incorrect
Zinc is found in the fourth row of the periodic table with an atomic number of 30. Its atoms therefore have 30 protons. A neutral atom of zinc would have the same number of electrons as protons, or 30 electrons.
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Question 7 of 8
7. Question
Which of the following atoms has a larger atomic radius than copper (Cu)?
Correct
The length of the atomic radius decreases as you move from left to right across a period (row) of the table. Zinc, arsenic, and bromine are all located to the right of copper on the fourth row of the table, so atoms of these elements would all have smaller atomic radii than copper. The length of the atomic radius increases as you move down a group (column) of the table, however, so gold atoms would have a larger atomic radius than copper atoms.
Incorrect
The length of the atomic radius decreases as you move from left to right across a period (row) of the table. Zinc, arsenic, and bromine are all located to the right of copper on the fourth row of the table, so atoms of these elements would all have smaller atomic radii than copper. The length of the atomic radius increases as you move down a group (column) of the table, however, so gold atoms would have a larger atomic radius than copper atoms.
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Question 8 of 8
8. Question
The greatest number of protons is found in an atom of which of the following elements?
Correct
Cobalt has an atomic number of 27, so it contains 27 protons. Chromium has 24 protons, lithium has 3 protons, and carbon has 6 protons.
Incorrect
Cobalt has an atomic number of 27, so it contains 27 protons. Chromium has 24 protons, lithium has 3 protons, and carbon has 6 protons.
ATI TEAS Guide To Science | The Atom Question Review
