Iron has this electron configuration.
The bond angle in a molecule with a tetrahedral shape is approximately:
In the chemical equation 2N₂ + 3H₂ → 2NH₃, what type of reaction is occurring?
What is the equation for calculating the heat of reaction (ΔHrxn) using bond energies?
Which of the following is a halide ion?
Which of the following is a metalloid?
What is the term for a bond formed by the sharing of electrons with no difference in electronegativity?
The term "nuclear binding energy" refers to the energy required to:
Which element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶ 7s¹?
The bond angle in a molecule with a trigonal bipyramidal shape is approximately:
What is the charge of a proton?