How did Mendeleev organize the elements to create a periodic table?

Question

according to the year of their discovery

according to increasing mass and number of protons

according to increasing mass and similar properties

alphabetically by element name

Answer 1

Mendeleev organized the elements in his periodic table according to increasing mass and similar properties.

Answer 2

What is similar for elements located next to one another anywhere on the periodic table?

reactivity with oxygen

physical state

mass

chemical characteristics

Answer 3

Chemical characteristics are similar for elements located next to one another anywhere on the periodic table.

Answer 4

so is it a b c or d

Answer 5

The correct answer is: d) Chemical characteristics