Advertisements
Advertisements
प्रश्न
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will lose electron?
Advertisements
उत्तर
X
APPEARS IN
संबंधित प्रश्न
Write the names of the elements present in the:-
Sodium hydroxide
Write the names of the elements present in the:-
Acetic acid
Write the names of `("NH"_4)_2"SO"_4` compounds:
Write the names of `"FeS"` compounds :
Define: Mass number
Who originated the word ‘atom’ ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the charge on the particle ?
Fill in the blank
A charged particle is called an _____
Write the full form of IUPAC.
For the symbols H, D and T, write the subatomic particles (protons, neutrons and electrons) found in each one of them.
State the meaning of the term – (a) atom, (b) molecule, (c) radical – with a suitable example.
A compound containing one atom of carbon and two atoms of oxygen is ______.
Define the following term with an example.
Element
State true or false. If false, correct the statement.
The basic unit of an element is molecule.
Define – Atom.
The volume occupied by 4.4 g of CO2 at S.T.P ______
Atoms of one element can be transmuted into atoms of other elements by ______
Write any two observations which support the fact that atoms are divisible.
The first scientific theory about atoms was given by J J. Thomson.
Atoms have a radius of the order ______.
