In order to occupy the same orbital, two electrons must have

a. the same direction of spin.

b. low energy.

c. opposite charge.

d. opposite spin.

What is the volume of 4.2 moles of Ca (NO3) 2 at STP

Which type or types of waves are mechanical? A. Longitudinal B. Transverse C. Electromagnetic D. Both Longitudinal and Transverse

Balance: (NH4) 2CO3-->NH3+H2O+CO2 ... ?

Which element has an isotope mass number of 32 and is used as an ecological tracer?

You performed the experiment using air which we know is actually a mixture of several gases. would the results of this experiment be improved

How many moles are in 4,55 X 10^23 molecules of CO2 (rounded)

In standardization of NaOH solution, a student found that 25.55cm3 of base neutralized exactly 21.35cm3 of 0.12M HCl. Find the molarity of the NaOH.

Which is a base unit in SI? A. centimeter B. kilogram C. gram D. grams/milliliter

The primary mechanism for converting atmospheric carbon into usable forms for life on earth is achieved by

For a particular collision, she detects the emitted products and find 15 protons, 2 antiprotons, 7 positrons, and 24 neutral particles. How many electrons are also emitted