chemistry

Identify the neutral element represented by this excited-state electron configuration, then write the ground-state electron configuration for that element.

Excited State: 1s2 2s2 2p2 3s1

Element Symbol: ?

Ground State: ?

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
  1. # electrons = 7 (count them) which means 7 protons which means element #7 in the periodic table.
    Now write the ground state for N.

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. N
    1s2 2s2 2p3

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  3. 1S2 2S2 2P3
    N (Nitrogen)

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    An electron is excited from the n=1 ground state to the n=3 state in a hydrogen atom. Which of the following statements are true? Correct the false statements to make them true. A. It takes more energy to ionize (completely

  2. chemistry

    What is the element with an electron configuration of 1s22s22p63s23p64s23d7?

  3. AP Chemistry

    Which of the following electron configurations correspond to an excited state? Identify the atoms and write the ground-state electron configuration where appropriate. If the configuration is a noble gas, enter the noble gas in

  4. chem

    in the ground state electron configuration of Fe3+, how many unpaired electrons are present? I thought it was 1, but im getting a wrong answer.

  1. Chemistry

    How many valence electrons does molybdenum have? (give only 1 answer) Go to this site and look for the electrons available in the outside shells. Click on element #42 and scroll down the menu on the left side until you come to

  2. Chemistry

    -Calcium chloride contains calcium and chloride ions. Write the ground-state electron configuration for the calcium ion. -Write the ground-state electron configuration for the chloride ion.

  3. CHEM

    The electron from a hydrogen atom drops from an excited state into the ground state. When an electron drops into a lower-energy orbital, energy is released in the form of electromagnetic radiation. Part A: How much energy does the

  4. Physics

    A hydrogen atom is in its third excited state (n=4). Using Bohr theory of the atom calculate (a) the radius of the orbit, (b) the linear momentum of the electron, (c) the angular momentum of the electron (d) the kinetic energy (e)

  1. physics

    The radius of circular electron orbits in the Bohr model of the hydrogen atom are given by (5.29 ✕ 10−11 m)n2, where n is the electron's energy level (see figure below). The speed of the electron in each energy level is

  2. Chemistry

    What is the electron configuration of the complex: Fe(C2O4)3 3- I am not really quite sure how to go about doing this and whether the electron configuration are supposed to be for each atom.

  3. chemistry

    which element has the ground-state electron configuration [Kr]5s^2 4d^10 5p^4

  4. Chemistry

    Name an element that has 5 electrons in the third energy level. How do i determine the third energy level Row three on the periodic table is third energy level If memory serves me will, it begins with sodium. Ok. iS Krypton the

View more similar questions or ask a new question.