(a) State Mendeleev’s periodic law. (b) What were the chemical pro

1.	(a) State Mendeleev’s periodic law. (b) What were the chemical properties of elements used by Mendeleev in creating his periodic table? (c) State any three limitations of Mendeleev’s classification of elements. (d) Besides gallium, which two other elements have since been discovered for which Mendeleev had left gaps in his periodic table? (e) Which group of elements was missing from Mendeleev’s original periodic table?
Answer» (a) State Mendeleev’s periodic law. (b) What were the chemical properties of elements used by Mendeleev in creating his periodic table? (c) State any three limitations of Mendeleev’s classification of elements. (d) Besides gallium, which two other elements have since been discovered for which Mendeleev had left gaps in his periodic table? (e) Which group of elements was missing from Mendeleev’s original periodic table?

(a) State Mendeleev’s periodic law. (b) What were the chemical properties of elements used by Mendeleev in creating his periodic table? (c) State any three limitations of Mendeleev’s classification of elements. (d) Besides gallium, which two other elements have since been discovered for which Mendeleev had left gaps in his periodic table? (e) Which group of elements was missing from Mendeleev’s original periodic table?

Answer»

(a) State Mendeleev’s periodic law.

(b) What were the chemical properties of elements used by Mendeleev in creating his periodic table?

(d) Besides gallium, which two other elements have since been discovered for which Mendeleev had left gaps in his periodic table?

(e) Which group of elements was missing from Mendeleev’s original periodic table?