Knowing the number of protons in the atom of a neutral element enables you to determine which of the following? the number of neutrons in the atom of the neutral element the number of electrons in the atom of the neutral element the name of the element two of the above none of the above Explain.
Knowing the number of protons in the atom of a neutral element enables you to determine which of the following? the number of neutrons in the atom of the neutral element the number of electrons in the atom of the neutral element the name of the element two of the above none of the above Explain.
Knowing the number of protons in the atom of a neutral element enables you to determine which of the following?
the number of neutrons in the atom of the neutral element
the number of electrons in the atom of the neutral element
the name of the element
two of the above
none of the above
Explain.
Expert Solution & Answer
Interpretation Introduction
Interpretation: What can be determined, when the number of protons in the neutral atom is given, should be discussed.
Concept Introduction: The number of electrons and protons are same for all the neutral atoms of the same element, but atoms of a given element may have different numbers of neutrons. The number of protons in the nucleus is called Atomic number and the sum of number of protons and neutrons in a given nucleus is called Atomic mass.
Answer to Problem 1ALQ
Correct answer: d. two of the above.
Explanation of Solution
Reason for correct option:
The number of electrons and protons are same for all the neutral atoms of the same element. So if the number of protons is given, the number of electrons in the neutral atom can be determined.
The name of an element is determined by its position on the periodic table. The elements are listed in order by increasing atomic number in the modern periodic table.
Conclusion
Reasons for incorrect options: Answer a. is incorrect, because in order to find number of neutron in the neutral atom of the element, atomic mass should be given. Since atoms of a given element may have different numbers of neutrons.
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Protecting Groups and Carbonyls
6) The synthesis generates allethrolone that exhibits high insect toxicity but low mammalian toxicity. They are used in pet
shampoo, human lice shampoo, and industrial sprays for insects and mosquitos. Propose detailed mechanistic steps to
generate the allethrolone label the different types of reagents (Grignard, acid/base protonation, acid/base deprotonation,
reduction, oxidation, witting, aldol condensation, Robinson annulation, etc.)
III + VI
HS
HS
H+
CH,CH,Li
III
I
II
IV
CI + P(Ph)3
V
༼
Hint: no strong base added
VI
S
VII
IX
HO
VIII
-MgBr
HgCl2,HgO
HO.
isomerization
aqeuous solution
H,SO,
༽༽༤༽༽
X
MeOH
Hint: enhances selectivity for reaction at the S
X
☑
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Atomic Number, Atomic Mass, and the Atomic Structure | How to Pass ChemistryThe Nucleus: Crash Course Chemistry #1; Author: Crash Course;https://www.youtube.com/watch?v=FSyAehMdpyI;License: Standard YouTube License, CC-BY