Atoms
can be grouped into which of the following larger structures?
a) anions
b) molecules
c)
cations
d) ions
Explanation:A molecule is two or more atoms connected by chemical bonds, which form the smallest unit of a substance that retains the composition and properties of that substance.
Who started the
arrangement of elements in order of increasing atomic mass in the periodic
table?
a) John Newland
b) Jaffrey
Moseley
c) Dmitri Mendeleev
d) Neil Bohr
Explanation:Dmitri Ivanovich Mendeleev was a Russian chemist and inventor. He is best known for formulating the Periodic Law and creating a version of the periodic table of elements.
Dmitri
Mendeleev was………scientist.
a) English
b) Dutch
c) Polish
d) Russian
When Dmitri Mendeleev started the arrangement of element in order of increasing atomic mass in the periodic table?
a) 1813
b) 1869
c) 1935
d) 1969
Elements:
Any substance that cannot be decomposed into simpler substances by ordinary chemical processes.
The matter consists of same types of atoms called……..
a) compounds
b) molecules
c) element
Answer of this question
by at 2025-03-04 21:19:36