General Knowledge Questions on Chemistry
1-What is the atomic number of oxygen?
2-What element has the chemical symbol ‘Fe’?
3-Which scientist developed the periodic table?
4-What does the ‘p’ in pH stand for?
5-What is the lightest element in the periodic table?
6-In the chemical formula H2O, what does the number 2 represent?
7-Which element is known as the ‘king of chemicals’?
8-Which element has the highest electronegativity?
9-What is the common name for sodium chloride?
10-What is the chemical symbol for silver?
11-What is the hardest naturally occurring substance?
12-What does the term ‘isotope’ refer to?
13-What is Avogadro’s number?
14-What kind of bond is present in a water molecule?
15-What is the name of the element with atomic number 79?
16-What type of substance has a pH level below 7?
17-What is the main element in coal?
18-Who proposed the atomic theory?
19-What is the chemical symbol for mercury?
20-What gas do plants absorb from the atmosphere for photosynthesis?
21-What is the most abundant element in the universe?
22-Which element is represented by the symbol ‘K’?
23-What is the smallest particle of a chemical element that retains its chemical properties?
24-Which element is liquid at room temperature and pressure?
25-What type of bond involves the sharing of electron pairs between atoms?
26-What does the ‘C’ in CO2 stand for?
27-What is the name given to the series of elements from atomic numbers 57 through 71?
28-What is the name for a solution that resists changes in pH when acid or alkali is added?
29-What element is diamond made of?
30-What is the chemical symbol for gold?
6-It represents the quantity of hydrogen atoms.
12-Variants of a particular chemical element which differ in neutron number.
13-6.02214076 × 10^23