Fill in the blanks. The positively charged atom is known as a ________ .
Fill in the blanks :
(a) Dalton said that _______________ could not be divided.
(b) An ion which has a positive charge is called a _______________
(c) The outermost shell of an atom is known as _______________
(d) The _______________ of an atom is very hard and dense.
(e) Neutrons are __________________ particles having mass equal to that of portons.
(f) Isotopes are the atoms of __________________element having the __________________atomic number but __________________mass number.
Fill in the following blanks :
(a) Milk is a ___ solution but vinegar is a ___ solution.
(b) A colloid is a___ mixture and its components can be separated by the technique known as___
The positively charged atom is known as a _______
Fill in the blanks from the choices given in brackets.
The energy required to remove an electron from a neutral isolated gaseous atom and convert it into a positively charged gaseous ion is called ______ (electron affinity, ionization potential, electronegativity).