How many electrons are present in an uncharged atom with its 1s, 2s, 2p, 3s, 3p, and 4s subshells filled and with two electrons in the 3d subshell?
Express your answer as an integer.
How many electrons are present in an uncharged atom with its 1s, 2s, 2p, 3s, 3p,...
How many electrons are present in an atom with its 1s, 2s, 2p, 3s, 3p, 3d, 4s, 4p subshells filled?
A: How many electrons are present in an atom with its 1s, 2s, 2p, 3s, 3p, 3d, 4s, 4p subshells filled? What is this element? B: How much would you expect a pile of 1.00 x 1023 sodium atoms to weigh?
Given the subshells 1s, 2s, 2p, 3s, 3p, and 3d, identify all of the subshell(s) that can have ml = –1. Why?
8. Which elements are represented by the following electron configurations? a. 15-2s 2p 3s 3p 3d 10 452 4p highest occupied orbitals valence electrons b. 1s 2s 2p 3s 3p 4s 3d highest occupied orbitals_ valence electrons c. [Kr] 5s 4d 0 5p? highest occupied orbitals valence electrons d. [Ne] 3s 3p highest occupied orbitals valence electrons e. [Ar]3d 4s? highest occupied orbitals valence electrons
1s 2s 2p 3s*3p 4s 3d"4p 5s4d? 17. Which ion with a +1 charge has the electron configuration 1s 2s 2p 3s 3p 3d 4s 4p? Which ion with a -2 charge has this configuration? 18. Which of the following atoms contains only three valence electrons: Li, B, N, F, Ne? 19. Circle the atoms with two unpaired electrons. (a) Mg (b) Si (c) S 20. Place the following in order of increasing atomic radius. As 0 Br A) As...
I dont understand how to figure this out. Number of electrons Atomic No. Element symbol: 4s 4p 3 d 4d 41 1s 2s 2p 3s 3p Element symbol: Number of electrons Atomic No. 4 d 4f 1s 2s 2p 3s 3p 4s 4p 3 d Number of electrons Element symbol Atomic No. 41 4d 4p 1s 2s 2p 3s 3p 3d Number of electrons Element symbol: Atomic No. 4f 4d 4S 4p 3d 1s 2s 2p 3s 3p Number of...
A neutral atom has the following electron configuration: 2, 2 6, 2, 3 1s 2s 2p 3s 3p What is the chemical symbol for the atom? How many electrons does the atomn have? How many 2p electrons are in the atom?
part a Write the electron configuration for the element titanium, Ti. Express your answer in order of increasing orbital energy as a string without blank space between orbitals. For example, the electron configuration of Li could be entered as 1s^22s^1 or [He]2s^1. Part B How many valence electrons does this atom possess? Express your answer as an integer. pART c Hafnium, Hf, is also found in group 4B. Write the electron configuration for Hf. Express your answer in order of...
Fill in the orbital energy diagram for the iron(III) ion. 3d 4s 3p 2p 2s 1s The lowest E levels are already filled in for you.
Which element has the electron configuration 1s 2s²2p@3s 3p 4s'3ds? A) V B) Cr C) Mo D) Mn E) No element has this configuration