I believe 4s2 is the distinguishing (last) electron
Scandium is a non metal element. There are 21 electrons in a single atom.
Scandium has 2 valence electrons.
+s
16
Sc is a 3d element. It has 21 protons and 21 electrons.
Sc is a s block element. There are 1.16 molesin 52.3 grams.
one valence electron
The atomic number for the element gold is 79. This means there are 79 electrons in an atom of this element.
the number of protons in an element is called the atomic number and there is no way to see how many electrons an element has.
Sc is a 3d element. It has 21 protons and 21 electrons.
The Element Neon has 10 protons and 10 electrons.
8 electrons
43 electrons :)
8 electrons
Thorium has 90 electrons.
4 electrons, 2 valence electrons
Sc is a s block element. There are 1.16 molesin 52.3 grams.
Gold is a metal element. There are 79 electrons in a single atom.
54
Thorium has 90 electrons.
Zinc has 30 electrons