How many unpaired electrons and valence electrons does an atom of nickel respectively have? Select one: O a. 2 and 6 O b. 2 and 10 O c. 1 and 7 O d. 0 and 2

Q: Element 87 is in Group 1A, Period 7. In how many principal energy levels are electrons located?…

A: The objective of the question is to find the principal energy levels and number of electrons…

Q: A. A main group element with the valence electron configuration 3s23p1 is in periodic group…

A: A) A main group element with the valence electron configuration 3s23p1 is in periodic group metallic…

Q: What atom and symbol matches this electron configuration?…

A: The electronic configuration is written in  nlx method n = principle quantum number l = azimuthal…

Q: Which alkali metal would you predict would require the shortest wavelength of light to eject an…

A: Energy required to eject an electron form a metal surface depends upton its ionization energy.…

Q: What is the maximum number of electrons in each of thefollowing energy levels?a. n 5 1 b. n 5 2 c. n…

A: Given energy levels, a. n = 1 b. n = 2 c. n = 3

Q: 1. Which of the following observations did NOT lead to the development of the Bohr model of an atom?…

A: Answer of questions is given below.

Q: 1. Boron 2. Cadmium 3. Phosphorus 4. Neon 5. Radon A. [Ne] 3s²3p³ B. [He] 2s²2p¹ C. [He] 2s²2p6 D.…

A: The electronic configurations of some elements are given. Match the elements with the given…

Q: Which of the following electrons is most loosely bound in a calcium atom? a. 1s b. 2s c. 3s d. 4s e.…

A: Calcium  atomic number  is 20 Electronic  configuration  1S22S22P63S23P64S2 2,8,8,2

Q: 1. What are the possible sets of quantum numbers that can describe a 2p electron in an atom?

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: a. P and Pr both have one electron each. Pr has a bigger atomic size. b. Od, Ri, and E are in the…

A: Periodic table is the systematic representation of elements on the basis of valence electrons in…

Q: Rank the following elements according to their ionization energy. element ionization energy rubidium…

A: Ionization energy is the energy required to remove an electron from the atom of an element. If an…

Q: 1d. Na & P - electron affinity * Your answer

A: Electron affinity is amount of  energy release when electeon is added to the neutral gaseous atom to…

Q: What is the electron affinity of an atom? Which groups on the periodic table have high electron…

A: To define : Electron affinity of an atom.

Q: Depict the electron configuration for each of the following atoms using noble gas notation:

A: