Answer: Option (D) is the correct answer.
Explanation:
Non-metals are electron deficient in nature so, in order to complete their octet they need to gain electrons from metals or electron rich atoms.
Whereas metals are electron rich in nature so, in order to gain stability metals lose their valence electrons.
For example, atomic number of potassium is 19 and its electronic distribution is 2, 8, 8, 1. Whereas atomic number of chlorine is 17 and its electronic distribution is 2, 8, 7.
Therefore, sodium in order to gain stability will lose its valence electron to chlorine atom. Hence, an ionic bond will be formed resulting in the formation of KCl.
Thus, we can conclude that non-metals seek to gain electrons to have full outermost shells, while metals seek to lose electrons to have full outermost shells.
Bond paper. This type of paper is stronger and more durable than the average sheet of paper. ...
Gloss coated paper. Gloss paper is typically used for flyers and brochures as it has a high shine. ...
Matt coated paper. ...
Recycled paper. ...
Silk coated paper. ...
Uncoated paper. ...
Watermarked paper.
For an endergonic reaction, the statement ΔG is positive is
the true statement. So the first option in the given question is the correct
option. Any reaction that requires energy to be absorbed is called an
endergonic reaction. For example, photosynthesis is a great example of
endergonic reaction. In photosynthesis sunlight is required to be absorbed to
complete the reaction. The sunlight acts as the energy required. This type of
reaction is never spontaneous, but requires external force to complete the reaction.
Gametogenesis, the production of sperm and eggs, involves the process of meiosis. During meiosis, two nuclear divisions separate the paired chromosomes in the nucleus and then separate the chromatids that were made during an earlier stage of the cell's life cycle.
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❖ The correct answer choice is C. Ball-and-socket joints.
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