Advertisements
Advertisements
प्रश्न
Fill in the blank
An excess of electrons produces a ________ charge.
Advertisements
उत्तर
An excess of electrons produces a negative charge.
APPEARS IN
संबंधित प्रश्न
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.
Write the names of the elements present in the:-
Sodium hydroxide
Write the names of `"FeS"` compounds :
Fill in the blank
An ion with positive charge is called ______
Name three non-metals/radicals which have valency -1, -2, and -3.
Define: Covalent bond
Fill in the blank
If an atom loses an electron, it acquires ______ a charge.
Fill in the blank
An _______ is electrically neutral.
Write the full form of IUPAC.
What is the usual symbol for (a) and electron (b) a proton, and (c) a neutron?
How is the size of an atom indicated ?
One nm is equal to :
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 positive ion?
State the meaning of the term – (a) atom, (b) molecule, (c) radical – with a suitable example.
State true or false. If false, correct the statement.
The basic unit of an element is molecule.
Name the sub-atomic particles.
The number of atoms present in a molecule is called its ______.
Give the salient features of “Modern atomic theory”.
