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What is the atomic number of the element lanthanum on the periodic table?
The atomic number of the element lanthanum on the periodic table is 57.
How many neutrons down lanthanum-141 have in its nucleus?
Lanthanum's atomic number is 57 thus it has 57 protons, the number of protons an atom has is equal to the atomic weight, in this case 141 minus the number of protons or 57 so, 141-57=84 Lanthanum-141 has 84 neutrons.
How many protons electrons and neutrons in lanthanum-138?
Lanthanum has 57 protons and 81-82 neutrons.
What is the Inner transition metal with lowest atomic number?
Technetium (atomic number 43) is the inner transition metal with the lowest atomic number.
What element from the periodic table has the atomic number fifty seven?
Lanthanum See Related Link
What does lanthanum mean?
It is a metal with the symbol La its atomic number is 57. Its color is silver white.
What is the noble gas configuration for Lanthanum?
The noble gas configuration for Lanthanum is [Xe] 5d1 6s2. Lanthanum has 57 electrons, so the noble gas before it (Xenon - atomic number 54) has a configuration of [Xe].
What is lanthanum's atomic radius?
187 picometers.
What is the actinide with the smallest atomic number?
The lantanides (6f-block elements) start, after 57Lantanium, with atom number 58, Ce, to end with 71Lu
What is the oxidation number for lanthanum?
The oxidation number for lanthanum is +3.
What is the noble gas configuration of Lanthanum?
The noble gas configuration of Lanthanum (La), which has an atomic number of 57, is [Xe] 6s². This means that Lanthanum has the same electron configuration as the noble gas Xenon, followed by two additional electrons in the 6s subshell.
What is lanthanum atomic mass?
Im not sure about the atomic mass bit but Lanthanum is a silvery white, malleable, ductile, and soft rare-earth metal xx
