General Science Chemistry MCQs

Q.  After whom is the chemical element with atomic number 102 named?

a. Charles Darwin
b. Albert Einstein
c. Alfred Bernhard Nobel
d. Isaac Newton


ANSWER: See Answer
 
Alfred Bernhard Nobel was a Swedish chemist, engineer, inventor, businessman, and philanthropist. Atomic number 102 was named after him.
MCQs:  If a C-14 has a half-life of 5730 years, then how long will it take for the number of C-14 in a sample to drop to 1/8 of initial quantity?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  In the nuclide defined by &¹⁵&₇X, the number of protons and neutrons respectively are
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The elements which emit natural radioactivity are known as
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  In SI base units, 1 Bq is equal to
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  A helium nucleus comprising of two protons and two neutrons with a charge of 2e is
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Radiations present in atmosphere due to different radioactive substances are called
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Gamma (γ) radiation are fast moving
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  In air, alpha particles have range of
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Isotopes have same number of protons but different number of
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The number of protons inside nucleus represents
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The radiation emitted from the splits into
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The phenomenon by which radiations split matter into negative and positive ions is called
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Beta particles are stream of high energy
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Nuclei with atomic number 1 to 82 are
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  During natural radioactivity the unstable nucleus disintegrates to become more
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The elements whose atomic number is greater than 82 are naturally
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The age of fossil when C-14: C-12 in bone is one fourth of ratio in bone of living animal and half-life of C-14 is 5732 years is
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  The positive charge in an atom was concentrated in a small region called
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  If a radioactive element has a half-life of 40 minutes. The initial count rate was 1000 per minute, then how long will it take for the count rate to drop to 125 per minutes
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Most of the nuclei with atomic number 1 to 82 are
Category: Physics MCQs,   Published by: T-Code Scripts