Advertisements
Advertisements
Question
Define: Ions
Advertisements
Solution
An atom which becomes charged by losing or gaining electrons is called an ion.
APPEARS IN
RELATED QUESTIONS
If bromine atom is available in the form of, say, two isotopes `""_35^79Br (49.7%)" and """_35^81Br (50.3%)`, calculate the average atomic mass of bromine atom.
The average atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes `""_8^16X" and """_8^18X` in the sample?
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:-
Ammonia
Write the names of the elements present in the:-
Glucose
Write the names of `("NH"_4)_2"SO"_4` compounds:
Fill in the blank
An ion with negative charge is called _______
Give the charge and the mass of an electron, proton and neutron present in an atom ?
An atom has 13 protons and 14 neutrons.
What is the atomic mass of the atom ?
Name the unit in which the radius of an atom is usually expressed.
For the symbols H, D and T, write the subatomic particles (protons, neutrons and electrons) found in each one of them.
Define the following term:
Atom
In what respects do the three isotopes of hydrogen differ? Give their structures.
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?
Assertion: An atom is electrically neutral.
Reason: Atoms have equal number of protons and electrons.
Define the following term with an example.
Metal
The smallest unit of an element is ______.
