Question

1. Fill in the blanks :
(a) Atoms are
(b) An ion with positive charge is called
(c) An ion with negative charge is called
(d) 2Hmeans two
(C)
(f) Metals have ....
.... of hydrogen.
is a triatomic molecule.
... valency.
(g) Chemical name of caustic soda is....​

Answer 1

1. smallest part of any thing
2. cation
3. anion
4. two molecules of hydrogen