which two elements exist as liquids in the periodic table?
Answer: Mercury (Hg) and Bromine (Br)
Draw out the process of a synthesis reaction
A + B-----> AB Na + Cl ----> NaCl (table salt) This is a also a good example of an ionic bond
Who created the first vaccine and how did they come about the process?
Edward Jenner, (also known as the father of immunity) was the first scientist to create a vaccine . He did so by exposing an organism to a milder disease form which will produce immunity. The fist vaccine he created was for smallpox...