Mn has a maximum oxidation state of +6.

What is the first element of the fourth transition series in the periodic table?

What happens to the atomic size of the lanthanides with increase in atomic number?

Which of the following is not a property of a transition metal?

Which metal is used in making electrical fibres?

Which of the following is not a very hard metal?

Choose the correct statement.

Which is the last element of lanthanides?