Soke any one activities from the following the 1 Observe the following diagrant nnd answer the questions 13 16 18 13 N Ne Na Mg Al S Potassium atom Argon atom a) Write the atomic numbers of first two elements in the second group. 1) Write the number of valence electrons of the elements in the Nalogen group, c) Draw the diagram or electronic configuration of magnesium atom. d) Write the names of any two elements from the diagram which do not take part in Chemical reaction. Write the elements belonging to group 1.
Answers
Answered by
2
Answer:
The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present).
Answered by
2
Explanation:
Solution:
Column I Column II
(i) Gold (d) Jewellery
(ii) Iron (e) Machinery
(iii) Aluminium (c) Wrapping Food
(iv) Carbon (f) Fuel
(v) Copper (b) Electric Wire
(vi) Mercury (a)Thermometers
Similar questions