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Questions and Answers
Which of the following statements about the element with the electron distribution 1s² 2s² 2p² 3s² 3p¹ is correct?
Which of the following statements about the element with the electron distribution 1s² 2s² 2p² 3s² 3p¹ is correct?
- The element is phosphorous (P), with 5 valence electrons. (correct)
- The element is phosphorous (P), with 3 valence electrons.
- The element is silicon (Si) and has 5 valence electrons.
- The element is sulfur (S) and it is located in period 3.
According to the Pauli Exclusion Principle, two electrons can occupy the same orbital only if they have opposite spins.
According to the Pauli Exclusion Principle, two electrons can occupy the same orbital only if they have opposite spins.
True (A)
What is the formula for calcium chloride?
What is the formula for calcium chloride?
CaCl₂
The octet rule states that atoms tend to gain, lose, or share electrons in order to have a full outer shell containing ____ electrons.
The octet rule states that atoms tend to gain, lose, or share electrons in order to have a full outer shell containing ____ electrons.
Match the chemical compounds with their correct formulas:
Match the chemical compounds with their correct formulas:
Which type of bond is formed when aluminum (Al) is combined with oxygen (O)?
Which type of bond is formed when aluminum (Al) is combined with oxygen (O)?
Only two electrons can occupy an orbital and they must have opposite spins.
Only two electrons can occupy an orbital and they must have opposite spins.
What is one characteristic of covalent bonds?
What is one characteristic of covalent bonds?
The sublevel that contains one orbital is the ______ subshell.
The sublevel that contains one orbital is the ______ subshell.
What element does the following Lewis structure represent? H: or H2
What element does the following Lewis structure represent? H: or H2
Which of the following is correct regarding the electron distribution 1s² 2s² 2p⁶ 3s² 3p²?
Which of the following is correct regarding the electron distribution 1s² 2s² 2p⁶ 3s² 3p²?
What type of chemical bond exists between nitrogen (N) and oxygen (O)?
What type of chemical bond exists between nitrogen (N) and oxygen (O)?
Match the following elements with their electron configurations:
Match the following elements with their electron configurations:
Flashcards
Ionic Bond Formation
Ionic Bond Formation
A chemical bond formed by the electrostatic attraction between oppositely charged ions.
Pauli Exclusion Principle
Pauli Exclusion Principle
No two electrons in an atom can have the same set of four quantum numbers.
Covalent Bond
Covalent Bond
A chemical bond formed by the sharing of electrons between atoms.
Electron Configuration
Electron Configuration
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s-sublevel orbitals
s-sublevel orbitals
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Sulfur Electron Configuration
Sulfur Electron Configuration
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Ionic Compound
Ionic Compound
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Lewis Structure
Lewis Structure
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Octet Rule
Octet Rule
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Calcium Chloride formula
Calcium Chloride formula
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Aluminum Sulfite formula
Aluminum Sulfite formula
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Element with electron distribution 1s² 2s² 2p⁶ 3s² 3p¹
Element with electron distribution 1s² 2s² 2p⁶ 3s² 3p¹
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Study Notes
Types of Chemical Bonds
- Aluminum (Al) combined with oxygen (O) forms a covalent bond.
Electron Configuration of Fluorine
- Fluorine (F), atomic number 9, follows Pauli's exclusion principle:
- A maximum of 2 electrons with opposite spins can occupy each orbital.
Covalent Bonds
- One characteristic of covalent bonds is the sharing of electrons between atoms.
Sublevel with One Orbital
- The 's' sublevel contains one orbital.
Lewis Structure Element Identification
- The Lewis structure provided corresponds to carbon (C)
Information from Electron Distribution
- The given electron distribution shows an element located in Group IVA, Period 4 (not calcium).
- It is a representative element.
- Electron distribution identifies that it's not calcium.
Type of Chemical Bond (N and O)
- Nitrogen (N) and oxygen (O) form a covalent bond.
Sulfur Electron Configuration
- The electron configuration of sulfur (S) is 1s², 2s², 2p⁶, 3s², 3p⁴.
Ionic Compound Formation
- Calcium and oxygen, potassium and bromine are more likely to form ionic compounds than the other pairs.
Element with Electron Distribution
- The element with the given electron distribution is phosphorus (P), containing 5 valence electrons. It's located in period 3.
Octet Rule
- The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer electron shell (8 valence electrons).
Pauli Exclusion Principle
- The Pauli Exclusion Principle states that no two electrons in an atom can have the same four quantum numbers. Electrons must fill orbitals individually before pairing up.
Chemical Compound Formulas
- Calcium chloride: CaCl₂
- Aluminum sulfite: Al₂(SO₃)₃
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