Advertisements
Advertisements
प्रश्न
Write the names of `("NH"_4)_2"SO"_4` compounds:
Advertisements
उत्तर
`("NH"_4)_2"SO"_4` - Ammonium sulphate
APPEARS IN
संबंधित प्रश्न
TRUE \ FALSE
Elements having a tendency to accept electrons are called metals
TRUE \ FALSE
Cathode rays are a stream of fast moving particles that travel in random directions.
Write the names of the elements present in the:-
Glucose
Define: Ions
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is such a particle called ?
Fill in the following blanks with suitable words :
In water, the proportion of oxygen and hydrogen is .............. by mass.
State two observations which show that atom is not indivisible.
Find the mass of 2 moles of nitrogen atoms.
Define the following term:
Atom
What is the contribution of the following in atomic structure?
Maharshi Kanada
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form negative ion?
Select the correct answer to the statement given below:
The basic unit of matter is not capable of independent existence.
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of aluminium
Define the following term with an example.
Element
An atom of an element has no electron. Will that atom have any mass or not? Can an atom exist without electron? If so then give example.
An element is composed of ______ atoms.
In the nucleus of `""_20"Ca"^40`, there are ______
Atoms of one element can be transmuted into atoms of other elements by ______
Does the solubility of a substance change with temperature? Explain with the help of an example.
