- Periods are the rows of the periodic table that from left to right increase in order of mass. As you go along periods the number of protons and neutrons increases and the number of electron shells remains the same.
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Atomic Number: 107 Atomic Mass: (262.0) amu Melting Point: Unknown Boiling Point: Unknown Number of Protons/Electrons: 107 Number of Neutrons: 155 Classification: Transition Metal Crystal Structure: Unknown Density @ 293 K: Unknown Color: Unknown Other Names: Unnilseptium (Uns), Bohrium (Bh), Nielsbohrium (Ns) Atomic Structure. Atomic Number 107 is belong to element of Bohrium. Chemical symbol for Bohrium is Bh. Nba 2k16 download mac. Number of protons in Bohrium is 107. Atomic weight of Bohrium is 270 u or g/mol.
Element Atomic Number 107
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Atomic Number 107 Crossword
From atomic number of an element, we can write its electronic configuration.
Depending upon the number of electrons present in valence shell, we can come to know about group number of the element. For example, Atomic number of 107. So its electronic configuration will be: [Rn] 5f146d57s2
Number of valence electron is 7 so its group number is 7.
Principal energy level, in which valence electrons are filled indicates the period number of the element. For example, atomic number of element is 107 so its electronic configuration will be:
[Rn] 5f146d57s2
Here valence electrons are present in shell having value n=7
So its period number is 7
Atomic Number 107 Crossword
Hope it helps!