Mendeleev's Classification Process
Trending Questions
Q.
What is Mendeleevs periodic table? Explain.
Q.
Identify the correct statement about Nickel and Cobalt according to the Mendeleev’s periodic table.
- Ni was placed before Co.
- Co was placed before Ni.
- Ni and Co were not discovered.
- Both were placed in the same group.
Q. For which of the following elements the sequence of increasing atomic masses was inverted in Mendeleev’s periodic table?
- Cobalt (Co) and nickel (Ni)
- Lithium (Li) and sodium (Na)
- Beryllium (Be) and magnesium (Mg)
- Potassium (K) and calcium (Ca)
Q.
How are the group numbered regarding the modern version of Mendeleevs periodic table?
Q.
One of the defects of Mendeleevs periodic table was the inversion of elements. Explain with an example.
