What is the periodic table? The periodic table is a tabular arrangement of chemical elements, organized on the basis of their atomic number, electron configurations, and recurring chemical properties. The structure of the table shows periodic trends. The seven rows of the table, called periods, generally have metals on the left and nonmetals on the … Read more
Who was the first scientist to hold a chemistry experiment in a laboratory? a) Democritus b) Antoine Lavoiser c) Jabir Ibnay Hiyan d) John Dalton Answer: c) Jabir Ibnay Hiyan
What are medieval researchers called? a) Alchemist b) Alchemi c) Kimia d) Al-Karia Answer: a) Alchemist
Who is the father of modern chemistry? a) John Dalton b) Robert Boyal c) Antony Lavoisiere d) Neils Bohr Answer: c) Antony Lavoisiere
The word Al-Chemy represents which civilization? a) Shindhu b) Egyptian c) Western d) Indian Answer: b) Egyptian
The word “Alchemy” comes from which language? a) Bengali b) Persian c) English d) Arabic Answer: d) Arabic
Which type of word is Al-chemy? a) Egyptian b) Urdu c) Arabian d) English Answer: c) Arabian
Why was there a need to arrange different elements in rows? There are enough similarities in the properties of different elements. It will be easier to learn about the different properties of an element by classifying different elements in similar groups. This is why there was a need to arrange different elements in rows.