How many electrons are in an atom of elemental sodium?

A) equal to the number of neutrons

B) equal to the number of protons

C) equal to the number of protons and neutrons

A helium balloon initially at room temperature is dunked into a bucket of liquid nitrogen (T = 77 K). Which of the following will occur?

When a mixture of PH3, P2, and H2 comes to equilibrium at 873 K according to the reaction 2PH3 (g) ←-→P2 (g) + 3H2 (g) Kp = 398 at 873 K, where Pp2 = 0.414 atm and PH2 = 0.827 atm.

When you stretch a rubber band, you give it what kind of energy

What is the formula of Chloro fluoro carbon

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A flexible container is filled with 960.0 liters of air at 38 degrees Celsius. If pressure in the container does not change, at what temperature will the container have at a volume of 350.0 liters?

Which subatomic particles are paired with their charges? 1. electron-positive, neutron-negative, proton-neutral 2. electron-negative, neutron-neutral, proton-positive 3. electron-negative, neutron-positive, proton-neutral 4.

Where do you think information is coded in a DNA molecule?

The mole fraction of carbon dioxide in a gas mixture is. 200 there are also. 251 g of nitrogen and. 322 g of oxygen in this gas mixture what is the mass of arbon dioxide in this mixture

How do you do empirical formula