Advertisements
Advertisements
Question
Fill in the blank
An ion with negative charge is called _______
Advertisements
Solution
An ion with negative charge is called anion.
APPEARS IN
RELATED QUESTIONS
WRITE SHORT ANSWER
What is radioactivity?
WRITE SHORT ANSWER
Name three inert gases.
Write the names of the elements present in the following compound.
Common salt
Write the names of the elements present in the :-
Sulphuric acid
State Dalton’s atomic theory.
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the mass number of X?
Fill in the blank
An excess of electrons produces a ________ charge.
Is it possible to see atoms these days ? Explain your answer.
How many atoms are there in exactly 12 g of carbon-12 element ? (C = 12 u)
The electron shell ______ is nearest to the nucleus.
Draw the electron dot structure of this compound.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
What will be the charge present of the molecule XY after chemical combination?
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of aluminium
K: Potassium:: C: ______.
In the nucleus of `""_20"Ca"^40`, there are ______
Give the salient features of “Modern atomic theory”.
Which of the following has maximum number of atoms?
A sample of vitamic C is known to contain 2.58 ×1024 oxygen atoms. How many moles of oxygen atoms are present in the sample?
The graphite refill used is pencil is made of element called ______.
Atoms have a radius of the order ______.
