The answer is B, the number of protons
It's is the unique thing about every element!
The correct answer is less time. If a star is massive, it will certainly remain in the sequence less time a smaller star. The most visible massive star that is also the nearest one on Earth is the Sun. Some stars can be visible to the naked eye during at night.
Answer:
Hydrogen bonded materials
Explanation:
Metals have metallic bonds, polymers usually have covalent bonds and ceramic materials have covalent and ionic bonds; on the other hand, hydrogen bonds are a type of bonding characterized for have Van der Waals interactions, a type of intermolecular interactions, so the correct answer is Van der Waals interactions.
Answer:
Explanation:
Hello,
In this case, one could use the following equations to compute the required mole fractions (fugacity equality for both A and B):
Therefore, the 2x2 system of equations turns out:
Best regards.
Explanation:
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