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What did Dimtri Mendeleev did not know about the periodic table?
Only some elements were discovered during the life of Mendeleev.
What element has 11 protrons?
Sodium does.
Was helium included in Mendeleev's original periodic table?
No, he did not know about it. Helium was discovered in spectrographs of the Sun in 1868 and isolated in 1895. Mendeleev's original table skipped from hydrogen (1) to lithium (3).
How many protrons are in lead?
82 protons
What are the elements of the atoms?
Electrons, Neutrons, and Protrons
Related Questions
How many protrons are in a carbon atom?
there are six protrons
How many protrons and neutrons does Mercury have?
All I know is that Mercury has 80 protons.
What is protrons?
protrons are a charge of the same strength but oppisite parlaritys +1
What did Dimtri Mendeleev did not know about the periodic table?
Only some elements were discovered during the life of Mendeleev.
How did Mendeleev know where to leave space in his table?
Mendeleev arranged the elements in order of increasing related Atomic Mass
How many protrons are in zinc?
Zinc has 30 protrons, 36 neutrons, and 66 electrons
What did Dmitri Mendeleev do during the Industrial Revolution?
Mendeleev laid the foundation for theperiodictable that we know today
What charge do protrons have?
positive
Where are the protrons and nuetrons found?
The Nucleus.
How many protrons does enstinium have?
99
How many protrons does magnesium have?
there are 12
How many protrons does lanthanum have?
57
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