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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For a molecule there are three energy levels: A, B and C. If the transition A → B occurs at 1049 nm and the transition B → C occurs at 885 nm, we can say that the wavelength of the transition A → C will occur at approximately:a) 164 nm b) 1934 nm c) 480 nm d) 967 nm
: Naming the Alkanes
a) Write the IUPAC nomenclature of the compound below
b) Draw 4-isopropyl-2,4,5-trimethylheptane, identify the primary, secondary, tertiary, and
quaternary carbons.
c) Rank pentane, neopentane and isopentane for boiling point.
pentane:
H3C-CH2-CH2-CH2-CH3
neopentane:
CH3
H3C-C-CH3
isopentane:
CH3
CH3
H3C-CH2-CH-CH3
An essential part of the experimental design process is to select appropriate dependent and
independent variables.
True
False
Chapter 4 Solutions
Bundle: Introductory Chemistry: A Foundation, Loose-leaf Version, 9th + OWLv2 with MindTap Reader, 1 term (6 months) Printed Access Card
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