교과서 질문The Ti2+ ion is isoelectronic with the Ca atom. (c) What charge would Ti have to be isoelectronic with Ca2+ ?1443views
교과서 질문How many protons and electrons are in each of the following ions?(a) Be2+b) Rb+c) Se2-(d) Au3+552views
교과서 질문What is the identity of the element X in the following ions? (a) X2+, a cation that has 36 electrons (b) X-, an anion that has 36 electrons1856views
미해결 질문A nitride ion has 7 protons, 8 neutrons, and 10 electrons. what is the overall charge on this ion?2554views
미해결 질문Which describes an atom that has fewer neutrons than protons and more electrons than protons?1715views1rank