The surface tension of which of the following liquid is maximum?

1 answer:

8 0

The cohesive forces between liquid molecules are responsible for the phenomenon known as surface tension. I think the correct answer is option A. H2O will have the highest surface tension due to the hydrogen bonds that are present. Hope this answers the question. Have a nice day.

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A neutral atom has an atomic number of 20 and a mass number of 41; how many protons, neutrons, and electrons are found within th

djverab [1.8K]

•The atomic number of an atom is the number of protons it has. If the atomic number is 20 then we know the atom has 20 protons.

•The mass number of an atom is the total number of protons and neutrons the atom contains. The mass number is 41 and the number of protons is 20, just subtract 20 from 41 and you will get the number of neutrons: 41 - 20= 21. The atoms has 21 neutrons.

•The number of electrons found in an atom is equal to the number of protons. The atoms has 20 protons which means it has 20 electrons.

So, the answer is:
B) 20 protons, 20 electrons, and 21 neutrons

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