Questions

Bacteria which causes disease are called Pathogenic Bacteria. TB is caused by bacteria.

Some of the diseases caused by bacteria are::

1. Tuberculosis, TB (affects the lungs)

2. Salmonella (causes food poisoning)

3. Whooping cough (affects the lungs)

4. Septic Sore Throat

Ionisation energy is the energy required to remove one mole of electrons from one mole of gaseous atoms. Atoms are more stable when they have full valence shells.

The ionization energy decreases from top to bottom in groups, and increases from left to right across a period.

HGence, in this trend Francium (Fr) has the lowest ionization energy.

Exodusters migrate to Kansas and other western states as part of the Exoduster Movement or Exodus of 1879. It was the first general migration of black people following the Civil War.

Exodusters was a name given to African Americans who migrated from states along the Mississippi River to Kansas in the late nineteenth century.