Podcast
Questions and Answers
What is the expected electron configuration for a potassium ion?
What is the expected electron configuration for a potassium ion?
- [Ar]4s1 (correct)
- [Ar]4s2
- [Ar]
- [He]
Which of the following statements about chromium forming a cation is true?
Which of the following statements about chromium forming a cation is true?
- It should lose its s electrons first.
- It should gain s and p electrons.
- It should gain electrons to form a cation.
- It should lose its d electrons first. (correct)
What is the electron configuration of Mg2+?
What is the electron configuration of Mg2+?
- [Ne] (correct)
- [Ne]3s2
- [He]
- [Ar]3s2
In determining the charge on an anion from a nonmetal atom, the charge is equal to:
In determining the charge on an anion from a nonmetal atom, the charge is equal to:
What is the electron configuration of Se2-?
What is the electron configuration of Se2-?
Which of these represents the correct electron configuration for a P atom?
Which of these represents the correct electron configuration for a P atom?
What is the expected electron configuration for an I- anion?
What is the expected electron configuration for an I- anion?
Which electron configuration represents the oxide ion (O2-)?
Which electron configuration represents the oxide ion (O2-)?
When forming a cation, which electrons does chromium lose first?
When forming a cation, which electrons does chromium lose first?
What electron configuration does Zn2+ have?
What electron configuration does Zn2+ have?
What is the electron configuration of a Zn atom?
What is the electron configuration of a Zn atom?
Which electron configuration represents the magnesium cation (Mg2+)?
Which electron configuration represents the magnesium cation (Mg2+)?
What is the electron configuration of an iodine atom?
What is the electron configuration of an iodine atom?
From which noble gas is the electron configuration of the oxygen anion (O2-) derived?
From which noble gas is the electron configuration of the oxygen anion (O2-) derived?
What is the electron configuration of a selenium atom?
What is the electron configuration of a selenium atom?
Which electron configuration represents the oxide ion (O2-)?
Which electron configuration represents the oxide ion (O2-)?
What is the electron configuration of a potassium atom?
What is the electron configuration of a potassium atom?
From which noble gas is the electron configuration of the selenide ion (Se2-) derived?
From which noble gas is the electron configuration of the selenide ion (Se2-) derived?
Which electron configuration represents the phosphorus atom?
Which electron configuration represents the phosphorus atom?
What is the charge on the iodide anion (I-)?
What is the charge on the iodide anion (I-)?
Write the electron configuration of a phosphorus atom and its negative ion.
Write the electron configuration of a phosphorus atom and its negative ion.
Determine the electron configurations of the ions expected from potassium and magnesium.
Determine the electron configurations of the ions expected from potassium and magnesium.
Write the electron configurations of the anions formed by selenium and iodine.
Write the electron configurations of the anions formed by selenium and iodine.
Determine the electron configuration of Zn^{2+} and Cr^{3+}.
Determine the electron configuration of Zn^{2+} and Cr^{3+}.
What is the charge on the oxide ion and its electron configuration?
What is the charge on the oxide ion and its electron configuration?