Chemistry
Draw diagrams representing the atomic structures of the following
(a) Sodium atom
(b) Chloride ion
(c) Carbon atom
(d) Oxide ion.
Related Questions
Explain fractional atomic mass. What is the fractional mass of chlorine?
(a) What is meant by 'atomic number of an element'?
(b) Complete the table given below:
No of protons No of electrons No of neutrons Atomic number Mass number 3517Cl 3717Cl (c) Write down the electronic configuration of
(i) Chlorine atom
(ii) Chloride ion
Give reasons
(a) Physical properties of isotopes are different.
(b) Argon does not react.
(c) Actual atomic mass is greater than mass number.
(d) 3517Cl and 3717Cl do not differ in their chemical reactions.
Complete the following table relating to the atomic structure of some elements.
Element Symbol Atomic Number Mass Number Number of Neutrons Number of Electrons Number of Protons Li 3 6 Cl 17 20 Na 12 11 Al 27 13 S 32 16