WebOct 10, 2024 · 14 7 N The atomic number of nitrogen = 7, No. of protons = 7, No. of electrons = 7 Electronic configuration = K L 2 5 Valency = 3 Hence, either it will gain … WebA. Choose an appropriate pair of elements that have electron configurations ending in p 5. a. 9F and 17Cl. b. 37Rb and 38Sr. c. 7N and 82Pb. d. 42Mo and 75Re. A. Choose the appropriate number of atoms contained in a formula unit of iron (II) hydroxide. a. two atoms per formula unit.
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WebOct 26, 2024 · It does not require any electron to attain a stable configuration as it already has a stable electronic configuration, so the valency of He is 0. The electronic configuration of N is 2,5. It requires 3 more electrons to attain a noble gas stable electronic configuration. It will gain 3 electrons so the charge will be -3, so the valency of N is -3. WebAnswer (1 of 4): Valency is the combining capacity of an element. It is usually defined as the number of hydrogen atoms with which one atom of the element combines to form its … huntsville hospital madison wellness center
Diketahui nomor atom C = 6, N = 7, O = 8, P = 15, - Ruangguru
WebQ. Write electronic configuration of element 35 17T. State number of protons and neutrons in T. Q. An element A has 2 electrons in its fourth shell.State: (a) its atomic number. (b) … WebDec 30, 2024 · Atoms in neutral state have equal number of electrons and protons and this number is equal to the atomic number. The mass number is the sum of number of protins and neutrons. The atomic number of Cl is … mary bouquet