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Answers
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Answer:
14.
A. T
Explanation
Answer ⇒ False.
Explanation ⇒ Nucleons are the collective term for the Protons and Neutrons.
J.J. Thomson proposed the model of the atom that only contains electrons and protons and no neutrons.
Thus, the given statements is incorrect. Hence, answer is False.
According to the Thomson mode of the atom, Electrons are compared to the seeds of the watermelon and the positive charge is compared to the reddish portion.
Thus, It means that the Electrons are embedded in the positive charge as in the Example of watermelon.
B. F
Explanation
During electron capture, an electron in an atom's inner shell is drawn into the nucleus where it combines with a proton, forming a neutron and a neutrino. The neutrino is ejected from the atom's nucleus. Since an atom loses a proton during electron capture, it changes from one element to another.
C. T.
Explanation
Protons and neutrons have approximately the same mass, but they are both much more massive than electrons (approximately 2,000 times as massive as an electron). The positive charge on a proton is equal in magnitude to the negative charge on an electron.
D. T
Explanation
Iodine is used to treat and prevent iodine deficiency and as an antiseptic. For iodine deficiency it can be given by mouth or injection into a muscle. As an antiseptic it may be used on wounds that are wet or to disinfect the skin before surgery.
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ON EVERY ANSWER YOU MADE.
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