How Was The periodic table found?

Question 1

Who started the development of the periodic table?

Answer 1

Dimitri Mendeleev

Question 2

How did Dmitri Mendeleev develop the periodic table?

Answer 2

Mendeleev realized that the physical and chemical properties of elements were related to their atomic mass in a ‘periodic’ way, and arranged them so that groups of elements with similar properties fell into vertical columns in his table.

Question 3

What element is named after Dmitri Mendeleev?

Answer 3

Mendelevium

Question 4

What group is the most reactive group

in the periodic table?

Answer 4

Group 1 elements the the alkali metals

Question 5

What elements did Dmitri Mendeleev not find?

Answer 5

Dmitri Mendeleev did not find gallium, germanium and scandium.

Question 6

How many elements did Dmitri Mendeleev discover?

Answer 6

Dmitri Mendeleev discovered 63 elements

Question 7

What elements are named after places?

Answer 7

There’s:
polonium- Poland 
francium- France
nihonium- Japan
germanium - Germany

Question 8

What elements are named after people? Name at least 3

Answer 8

There’s-
bohrium -Niels Bohr curium -Marie and Pierre Curie
einsteinium-Albert Einstein
fermium -Enrico Fermi
lawrencium-Ernest Lawrence
roentgenium -Wilhelm Röntgen
rutherfordium -Ernest Rutherford
and seaborgium -Glenn T. Seaborg

Question 9

Why are some elements named after a place?

Answer 9

Sometimes elements are named after a place because that element might have been found there or manafactured there

Question 10

How many elements are in the periodic table?

Answer 10

There are 92 natural elements that exist