*QUESTION ONE* Which happens when an electron in an atom absorbs energy. *QUESTION TWO* What...

QUESTION ONE Which happens when an electron in an atom absorbs energy. QUESTION TWO What...

*QUESTION ONE*

Which happens when an electron in an atom absorbs energy.

*QUESTION TWO*

What happens when an electron emits energy?

*QUESTION THREE*

How many degenerate orbitals are there in *d* and *f* orbitals respectively?

*QUESTION FOUR*

Degenerate orbitals are orbitals with equal ---------?

*QUESTION FOUR*

Using the *n + l* rule, arrange the following orbitals in their increasing energies,
4s, 2f, 2p, 6d, 3s, 5p and 4f.

*QUESTION FIVE*

Why are electrons lost from the 4s orbital before 3d orbitals?

*QUESTION SIX*

Determine the (i) group (ii)period and the block the an element whose valence electronic configuration is 6d² belongs to in the periodic table.

*QUESTION SIX*

Substances having equal number of electrons are known as ----- ?

*QUESTION SEVEN*

Write the electronic configuration of the following (i) H^+ (ii) Al (iii) Cl

*QUESTION EIGHT*

Using the noble gas notation method, write the electronic configuration of the following (i)Li (ii) Mg (!!!) Cu

Write the electronic configuration of the elements whose atomic number is 26

*QUESTION TEN*

Write the electronic configuration of the following (i) Mn (ii)Cr (iii) Ni²+ (iv) Co³+ (v) Cr²+

Goodluck?

In Chemistry
6 Answers Available
Asked by Mag2020 on 17th January, 2020