If a atom has 7 protons and 7 electrons what charge will it have

Which is the correct Lewis structure for hydrogen peroxide, H2O2

What moves across axons? A electrons and ions B ions C electrons D neither electrons nor axons

Assuming all the nh3 dissolves and that the volume of the solution remains at 0.300 l, calculate the ph of the resulting solution.

The valency of carbon atom?

Identify the phase in which the water molecules are closest together. identify the phase in which the water molecules are closest together. liquid gas solid dry ice

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1 mol of an Ideal Gas expands through a turbine adiabatically to produce work. Assuming steady flow conditions, how much work is lost due to the entropy generated, if the surroundings are at 300 K? Give the value of lost work to the nearest J.

According to Table N, which radioactive isotope is best for determiningthe actual age of Earth? (1) 238 U (3) 60 Co (2) 90 Sr (4) 14 C

If 10 moles of H2O are produced how many moles of CO2 are also produced.

BaBr2 is a ionic compound, Covalent compound or a acid