WebMar 22, 2024 · Hg (transition metal)- has 80 electrons, 80 protons, and 121 neutrons; Pt (transition metal)- has 78 electrons, 78 protons, and 117 neutrons; Br (halogen)- has 35 … WebMar 6, 2024 · Expert Answer. You will find actinium in group 3, period 7 of the periodic table. The atomic number of actinium is 89, which means there are 89 protons. Because there is …
3.4: Atomic Mass and Atomic Number - Chemistry LibreTexts
WebTo find the number of protons in scandium scandium, first locate the element on the periodic table. Next, find the atomic number which is located above the element 's symbol. … WebApr 19, 2024 · The nucleus contains protons and neutrons. Scandium (Sc) has an atomic number 21. The number ... black wash vs white wash
How many valence electrons does Scandium have?
WebHow many protons are in a lithium atom? ... What is the configuration for scandium? 1s 2 2s 2 2p 6 3s 2 3p 6 3d 1 4s 2. 5. Observe: Scandium is the first element to contain electrons in the d subshell. How many orbitals does the d subshell have, and how many electrons can fit in the d subshell? Web# protons + # neutrons = atomic mass # (this is usually shown as an average for all isotopes of an element) # electrons = protons (atoms of an element are. Web nov 7 2024 protons neutrons. It also explains the differe. Finding The Protons, Neutrons And Electrons In Scandium. # protons = atomic number # neutrons = atomic mass (round. WebThis gold ion (Au 3+) has seventy-nine protons, one hundred eighteen neutrons, and seventy-six electrons. Number of protons, neutrons and electrons for the gold ion (Au +, Au 3+) What are the properties of protons neutrons and electrons? … fox news church closings