Atomic Structure Jamb Chemistry Past Questions
Question 1
An element with atomic number twelve is likely to be
- A. electrovalent with a velocity of 1
- B. electrovalent with a valency of 2
- C. covalent with a valency of 2
- D. covalent with valency of 4
Question 2
The arrangement of particles in crystal lattices can be studied using
- A. X-rays
- B. \(\beta\)-rays
- C. \(\alpha\)-rays
- D. \(\gamma\)-rays
Question 3
The number of electronic shells contained in an atom with electron configuration 1s22s22p63s23p64s2 is
- A. 3
- B. 2
- C. 4
- D. 5
Question 4
Which of the following statements does not show Rutherford's account of Nuclear Theory? An atom contains a region
- A. which contains protons and neutrons
- B. which is positively charged
- C. which is massive and can cause deflection of a few projectiles
- D. which is very large and in which close to 98% of projectiles pass undeflected
Question 5
The electronic configuration of an element is 1S\(^2\) 2S\(^2\) 2P\(^6\) 3S\(^2\) 3P\(^3\). How many unpaired electrons are there in the element?
- A. 5
- B. 4
- C. 3
- D. 2
