0
Add your answer:
Earn +20 pts
What is the order of elements in the periodic table based on?
The elements of the periodic table were put in a specific order based off of the increasing atomic mass. The periodic table we use today has the elements arranged according to their increasing atomic numbers.
Why is the word periodic applied to the table of elements?
it is used because periodic means recurring in a pattern or order. The elements are put into order of mass.
Who redesigned the periodic table to put elements in order by atomic number?
Moseley
Who put the periodic table in order?
The Periodic Table was put together by a Russian college professer named Dmitri Mendeleev. He did it to help his students remember the elements that were on the table at the time.
What is meant by a group of elements?
It is meant some of the elements in the periodic table put into a group! The vertical columns in the periodic table are called groups
How many elements did Mendeleev have to put into his periodic table?
69
How any elements are in the periodic table?
I know that there are over a hundred but you can't always say because when more elements are discovered they are put on the periodic table on the standard table there are 118,
How is today's periodic table put together?
in ascending order by atomic number (number of protons) of an atom of a particular element. previously, the periodic table had elements ordered by atomic mass.
Why are brass and bronze not on the periodic table?
Because they are not elements. They are combinations of different elements put together.
Why was magnesium put 12th on the periodic table?
Because magnesium atoms have 12 protons in their nuclei, which means that the atomic number of magnesium is 12. The elements on the periodic table are arranged in order of atomic number.
Do the elements in a column on the periodic table have similar characteristics?
Yes they do that is why they are put that way.
How did people decide which elements to put where on the periodic table?
the elements are arranged in the modern periodic table according to the increasing atomic number and in addition, elements in the same group have the same number of valence electrons
