Erbium
Erbium has a symbol of Er and atomic number of 68
Element 44
Element 44 is called Ruthenium and has a symbol of Ru.
Element 39
Element 39 is called Yttrium and has a symbol of Y.
Element 31
Element 31 is called Gallium and has a symbol of Ga.
Gallium
Gallium has a symbol of Ga and atomic number of 31
Element 34
Element 34 is called Selenium and has a symbol of Se.
Element 61
Element 61 is called Promethium and has a symbol of Pm.
Element 20
Element 20 is called Calcium and has a symbol of Ca.
Li
The element with symbol Li is called Lithium and has an atomic number of 3
Y
The element with symbol Y is called Yttrium and has an atomic number of 39
Lutetium
Lutetium has a symbol of Lu and atomic number of 71
Lanthanum
Lanthanum has a symbol of La and atomic number of 57
Practice identifying the elements of the periodic table by their name, symbol and atomic numbers using these flashcards.
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