1. Mendeléev observed that most of the elements got a place in a Periodic Table and were arranged in the order of their increasing atomic masses. 2. It was also observed that there occurs a periodic recurrence of elements with similar physical and chemical properties.
1. Mendeléev observed that most of the elements got a place in a Periodic Table and were arranged in the order of their increasing atomic masses.
2. It was also observed that there occurs a periodic recurrence of elements with similar physical and chemical properties.
What were the criteria used by Mendeleev in creating his Periodic Table?
1. Mendeléev observed that most of the elements got a place in a Periodic Table and were arranged in the order of their increasing atomic masses. 2. It was also observed that there occurs a periodic recurrence of elements with similar physical and chemical properties.
1. Mendeléev observed that most of the elements got a place in a Periodic Table and were arranged in the order of their increasing atomic masses.
See less2. It was also observed that there occurs a periodic recurrence of elements with similar physical and chemical properties.
Besides gallium, which other elements have since been discovered that were left by Mendeleev in his Periodic Table? (any two)
Scandium Germanium
Scandium
See lessGermanium
Use Mendeleev’s Periodic Table to predict the formulae for the oxides of the following elements: K, C, AI, Si, Ba.
K₂O CO₂ Al₂O₃ SiO₂. BaO.
K₂O CO₂ Al₂O₃
See lessSiO₂.
BaO.
What were the limitations of Newlands’ Law of Octaves?
S K Patil answer is easy and best describe the question.
S K Patil answer is easy and best describe the question.
See lessDid Döbereiner’s triads also exist in the columns of Newlands’ Octaves? Compare and find out.
Yes, in second and third column of octave.
Yes, in second and third column of octave.
See less