IIT-JEE 1988 | Structure of Atom Question 69 | Chemistry

IIT-JEE 1988

MCQ (Single Correct Answer)

-0.25

The triad of nuclei that is isotonic is

$${}_6^{14}C$$, $${}_7^{15}N$$, $${}_9^{17}C$$

$${}_6^{12}C$$, $${}_7^{14}N$$, $${}_9^{19}C$$

$${}_6^{14}C$$, $${}_7^{14}N$$, $${}_9^{17}C$$

$${}_6^{14}C$$, $${}_7^{14}N$$, $${}_9^{19}C$$

IIT-JEE 1986

MCQ (Single Correct Answer)

-0.25

The sum of the number of neutrons and proton in the isotope of hydrogen is

IIT-JEE 1986

MCQ (Single Correct Answer)

-0.25

Rutherford's alpha particle scattering experiment eventually led to the conclusion that:

mass and energy are related

electrons occupy space around the nucleus

neutrons are buried deep in the nucleus

the point of impact with matter can be precisely determined

IIT-JEE 1986

MCQ (Single Correct Answer)

-0.25

Which one of the following sets of quantum numbers represents an impossible arrangement?

n = 3, l = 2, m_l = -2, m_s = 1/2

n = 4, l = 0, m_l = 0, m_s = 1/2

n = 3, l = 2, m_l = -3, m_s = 1/2

n = 5, l = 3, m_l = 0, m_s = -1/2

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