Examlex
The azide ion, N3-, is very reactive although it is isoelectronic with the very stable CO2 molecule. This reactivity is reasonable considering that
Years
Units of time based on the period Earth takes to orbit around the Sun, approximately 365 or 366 days.
Cumulative CO₂ Emissions
The total amount of carbon dioxide released into the atmosphere over a specified period of time by human activities.
United States
A federal republic located primarily in North America, comprising 50 states, a federal district, and various territories, known for its significant impact on global culture, economy, and politics.
Fraction
A mathematical expression representing the division of one quantity by another, indicating parts of a whole or a ratio.
Q7: For all atoms of the same element,
Q15: How many electrons does a nitrogen atom
Q24: What is the electron configuration of calcium<br>A)
Q57: A saturated solution<br>A) contains more solute than
Q67: Which, if any, is the ground-state electron
Q69: How many 3d electrons does an Fe<sup>3+</sup>
Q85: The C-N-O bond angle in nitromethane,
Q119: The number of atoms in a body-centered
Q129: Which choice lists two elements with ground-state
Q134: An electron gains energy in the transition