Electrons present in the last/outermost shell are called…….
a) bonding electrons
b) anti-bonding electrons
c) valence electrons
d) free electrons
Which electrons take part in chemical reaction?
a) bonding electrons
b) anti-bonding electrons
c) valence electrons
d) free electrons
Explanation:The electrons present in the last or outermost shell are called valence electrons
Which electrons determine the chemical properties of an element?
a) all electrons
b) anti-bonding electrons
c) valence electrons
d) free electrons
Which electrons will help in arrangement of element in periodic table?
a) valence electrons
b) anti-bonding electrons
c) all electrons
d) free electrons
Alfred Nobel discovered which of the following element?
a) Helium
b) sodium
c) Nobelium
d) Californium
Explanation:Alfred Bernhard Nobel was a Swedish chemist, engineer, inventor, businessman, and philanthropist. He is best known for having bequeathed his fortune to establish the Nobel Prize, though he also made several important contributions to science, holding 355 patents in his lifetime
The atomic
number of Nobelium is …….
a) 92
b) 102
c) 112
d) 10