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Questions and Answers
Which of the following elements is found in the same period of the periodic table as Sn? (Select all that apply)
Which of the following elements is found in the same period of the periodic table as Sn? (Select all that apply)
Which element is the first one in the group IVA (14) of the periodic table?
Which element is the first one in the group IVA (14) of the periodic table?
What is the symbol of the element that is in Period 4, and Group IIA (2) of the periodic table?
What is the symbol of the element that is in Period 4, and Group IIA (2) of the periodic table?
Silver, Ag, belongs to what period of the periodic table?
Silver, Ag, belongs to what period of the periodic table?
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If the formula for hydrosulfuric acid is H2S, what would be the expected formula for the compound between hydrogen and tellurium, Te?
If the formula for hydrosulfuric acid is H2S, what would be the expected formula for the compound between hydrogen and tellurium, Te?
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Which of the following statements applies to p subshells?
Which of the following statements applies to p subshells?
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Which of the following subshells has the highest energy?
Which of the following subshells has the highest energy?
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Suppose an electron moved from the second shell to the third shell.
Suppose an electron moved from the second shell to the third shell.
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The total number of f orbitals in an f subshell is:
The total number of f orbitals in an f subshell is:
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The maximum number of electrons that can occupy a 3d subshell is:
The maximum number of electrons that can occupy a 3d subshell is:
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The maximum number of electrons that can occupy a 4p subshell is:
The maximum number of electrons that can occupy a 4p subshell is:
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What is the maximum number of electrons that can occupy the third shell?
What is the maximum number of electrons that can occupy the third shell?
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How many electrons are in the outer shell of element 15?
How many electrons are in the outer shell of element 15?
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Which of the following elements should have properties similar to those of nitrogen (element 7)?
Which of the following elements should have properties similar to those of nitrogen (element 7)?
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Which of the following has the same number of outer shell electrons as sulfur, S?
Which of the following has the same number of outer shell electrons as sulfur, S?
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What is the shell number for the outer shell electrons in bromine, Br?
What is the shell number for the outer shell electrons in bromine, Br?
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Which of the following elements has an electronic configuration of 1s2 2s2 2p6 3s2 3p1?
Which of the following elements has an electronic configuration of 1s2 2s2 2p6 3s2 3p1?
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The total number of unpaired electrons in silicon, Si, is:
The total number of unpaired electrons in silicon, Si, is:
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Which of the following contains the same number of unpaired electrons as potassium (K)?
Which of the following contains the same number of unpaired electrons as potassium (K)?
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Which of the following will not have electrons in the third shell?
Which of the following will not have electrons in the third shell?
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Match the following pairs with the same number of electrons in the valence shell:
Match the following pairs with the same number of electrons in the valence shell:
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The electronic configuration of element 17 ends with:
The electronic configuration of element 17 ends with:
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Which of the following elements contains a total of 10 's' electrons?
Which of the following elements contains a total of 10 's' electrons?
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What type of electron is the distinguishing electron in S?
What type of electron is the distinguishing electron in S?
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Which of the following distinguishing electrons represents an element with properties similar to an element with a 3p3 distinguishing electron?
Which of the following distinguishing electrons represents an element with properties similar to an element with a 3p3 distinguishing electron?
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Which element is represented by the distinguishing electron configuration 3d^8?
Which element is represented by the distinguishing electron configuration 3d^8?
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Which of the following elements is most likely to be a metalloid?
Which of the following elements is most likely to be a metalloid?
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Metalloids can express the characteristics of both metals and nonmetals. Which of the elements below is more likely to have the characteristics of a metal than a nonmetal?
Metalloids can express the characteristics of both metals and nonmetals. Which of the elements below is more likely to have the characteristics of a metal than a nonmetal?
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In which of the following elements is the distinguishing electron in a d orbital?
In which of the following elements is the distinguishing electron in a d orbital?
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Which of the following elements is classified as a transition element?
Which of the following elements is classified as a transition element?
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Which of the following elements is classified as a representative metal?
Which of the following elements is classified as a representative metal?
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Which of the following elements is a nonmetal?
Which of the following elements is a nonmetal?
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Which of these elements is a gas at room temperature?
Which of these elements is a gas at room temperature?
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Which element has the distinguishing electron, 5p^4?
Which element has the distinguishing electron, 5p^4?
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The radius of a K atom is _____ a Ca atom.
The radius of a K atom is _____ a Ca atom.
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The melting point of oxygen is _____ selenium, Se.
The melting point of oxygen is _____ selenium, Se.
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Which of the following is a noble gas?
Which of the following is a noble gas?
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The symbol of the element in period 2, group IIIA (13) is:
The symbol of the element in period 2, group IIIA (13) is:
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Which element is used for relieving the symptoms of a cold?
Which element is used for relieving the symptoms of a cold?
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Which of the following statements conforms to the trends within the Periodic Table of the Elements?
Which of the following statements conforms to the trends within the Periodic Table of the Elements?
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The highest-energy shell of an element that contains electrons is known as the:
The highest-energy shell of an element that contains electrons is known as the:
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_____ states that, electrons will not join other electrons in an orbital if an empty orbital of the same energy is available.
_____ states that, electrons will not join other electrons in an orbital if an empty orbital of the same energy is available.
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_____ explains why orbitals can contain a maximum of two electrons.
_____ explains why orbitals can contain a maximum of two electrons.
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Choose the correct electronic configuration for arsenic, As.
Choose the correct electronic configuration for arsenic, As.
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Which element has the largest atomic radius?
Which element has the largest atomic radius?
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The 'noble gases' is the family name for which group of the periodic table?
The 'noble gases' is the family name for which group of the periodic table?
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Which of the following groups belongs to the transition elements?
Which of the following groups belongs to the transition elements?
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Which of the following is a reasonable explanation as to why atomic radii become smaller as one moves to the right for the representative elements in a period?
Which of the following is a reasonable explanation as to why atomic radii become smaller as one moves to the right for the representative elements in a period?
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Study Notes
Periodic Table and Element Groups
- Element Te is in the same period as Sn in the periodic table.
- Carbon (C) is the first element in group IVA (14) of the periodic table.
- Calcium (Ca) is the element in Period 4, Group IIA (2).
- Silver (Ag) belongs to period 5.
- The expected formula for the compound of hydrogen and tellurium (Te) is H2Te.
Electron Configuration and Subshells
- The p subshell is divided into three perpendicular shapes.
- The 4f subshell has the highest energy compared to 4s, 4p, and 4d.
- Movement of an electron from the second shell to the third requires energy input.
- An f subshell contains a total of 7 orbitals.
- A 3d subshell can hold a maximum of 10 electrons.
Valence Electrons and Shell Structure
- The 4p subshell can accommodate a maximum of 6 electrons.
- The third shell can hold a maximum of 18 electrons.
- Element 15 has 5 electrons in its outer shell.
- Phosphorus (P) shares similar properties with nitrogen (N).
- Oxygen (O) has the same number of outer shell electrons as sulfur (S).
Distinguishing Electrons and Unpaired Electrons
- Bromine (Br) has outer shell electrons in shell number 4.
- Aluminum (Al) has an electron configuration of 1s² 2s² 2p⁶ 3s² 3p¹.
- Silicon (Si) has 2 unpaired electrons.
- Potassium (K) and more than one element may have the same number of unpaired electrons.
- Sodium ion (Na+) has no electrons in the third shell.
Relative Positions of Elements
- Sodium ion (Na+) and Neon (Ne) have the same number of valence electrons.
- The electronic configuration of element 17 ends with 3p⁵.
- Strontium (Sr) contains a total of 10 "s" electrons.
- The distinguishing electron in sulfur (S) is in the p orbital.
- Elements with a 4p³ configuration have properties similar to those with a 3p³ configuration.
Classification of Elements
- Nickel (Ni) corresponds to the distinguishing electron configuration 3d⁸.
- Germanium (Ge) is classified as a metalloid.
- Antimony (Sb) is likely to exhibit more metallic characteristics than other metalloids.
- Chromium (Cr) contains a distinguishing electron in a d orbital.
- Element 76 is classified as a transition element.
Properties of Elements
- Element 38 is recognized as a representative metal.
- Iodine (I) is identified as a nonmetal.
- Nitrogen is a gas at room temperature.
- Tellurium (Te) has the distinguishing electron configuration 5p⁴.
- Potassium's atomic radius is larger than that of calcium (Ca).
- The melting point of oxygen is lower than that of selenium (Se).
Special Groups in the Periodic Table
- Neon (Ne) is classified as a noble gas.
- Boron (B) is the element in Period 2, Group IIIA (13).
- Zinc (Zn) is associated with relief from cold symptoms.
- Elements generally become more solid as you move down a group in the periodic table.
Electron Principles and Rules
- Valence shell refers to the highest-energy shell containing electrons.
- Hund's rule states that electrons will occupy empty orbitals of the same energy before pairing.
- The Pauli exclusion principle allows a maximum of two electrons per orbital.
- Arsenic (As) has the electronic configuration [Ar] 4s² 3d¹⁰ 4p³.
Trends in Atomic Radius
- Cesium (Cs) has the largest atomic radius among given options.
- The noble gases belong to group VIIIA (18).
- Transition elements are part of group IIIB (3).
- Atomic radii decrease as one moves to the right in a period due to an increasing nuclear charge that pulls electrons closer.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge with these flashcards focused on Chapter 3 of your chemistry curriculum. This quiz covers elements in the periodic table, their symbols, and positions. Perfect for review before your upcoming exam!
