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vlabodo [156]
4 years ago
9

Can i get explanation about bond pair electrons?

Chemistry
1 answer:
Vladimir [108]4 years ago
8 0

Answer:

Explanation:

To identify lone pairs in a molecule, figure out the number of valence electrons of the atom and subtract the number of electrons that have participated in the bonding

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The weight of a substance is defined as its mass divided by its volume. Please select the best answer from the choices provided
Alexus [3.1K]

Answer: The given statement is false.

Explanation:

Weight :It is defined as the measure of force exerted upon the object by the gravity. It is measured in Newtons.

W=mg, where W= Weight , m = mass of the object , g = acceleration due to gravity = 9.8m/s^2

Here the given statement is False, the correct statement will be:

The density of a substance is defined as its mass divided by its volume.

8 0
3 years ago
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An uncharged atom of mercury has an atomic number of 80 and an atomic mass of 200. This atom has ________ protons, ________ neut
SCORPION-xisa [38]
<h3>Answer:</h3>

             This atom has 80 protons, 120 neutrons and 80 electrons.

<h3>Explanation:</h3>

Number of Protons:

                               As the number of protons present in the nucleus are equal to the atomic number therefore. As given, the atomic number is 80 therefore, Hg contains 80 protons respectively.

Number of Electrons:

                                 As given in statement, Hg is not carrying any type of charge. It means this atom is neutral in nature. Which means, it is carrying the same number of electrons as the number of protons in order to give a neutral atom. Therefore, it contains 80 electrons.

Number of Neutrons:

                                 Number of neutrons can be calculated using following formula,

                  No. of Neutrons  =  Atomic Mass - Number of Protons

As,

                                    Atomic Mass  =  200

So,

                                    No. of Neutrons  =  200 - 80

                                    No. of Neutrons  =  120

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3 years ago
Which characteristics can be inherited
andre [41]

Answer:

skin color, personality type, hair color/type, eye shape/type chin type, face shape etc.

Explanation:

hope this helps!

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Why are things weightless on the International Space Station?
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There is no gravity and gravity pulls things down
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When air expands what type of energy increases?
LuckyWell [14K]
Heat energy. The heat allows air to expand allowing more space for molecules to move around.
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3 years ago
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