PHYSICAL SCIENCES

posted by .

Which of the following elements has eight valence electrons?

A. argon

B. beryllium

C. chromium

D. oxygen

.
CAN SOMEONE HELP ME, PLEASEEE :D

  • PHYSICAL SCIENCES -

    A. Argon

    all noble gases, except Helium, has eight valence electrons.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physical Science

    Compare the number of valence electrons an oxygen, O, atom has with the number of valence electrons a selenium, Se, atom has. Are oxygen and selenium in the same period or group?
  2. Chemistry

    40. An element has the configuration [He]2s^2. a. Which element is it?
  3. chemistry

    Hello, I have a question regarding the valence electrons of transition metals. I am aware of quantum numbers etc and how the s orbital gets filled before the d orbital but my question is that is if was asked to lets say group some …
  4. Physical science

    Compare the number of valence electrons an oxygen atom has with the number of valence electrons a selenium atom has. Are oxygen and selenium in the same period or group?
  5. Physical science

    Compare the number of valence electrons an oxygen atom has with the number of valence electrons a selenium atom has. Are oxygen and selenium in the same period or group?
  6. physical sciences

    Which of these elements has the most chemically reactive atoms?
  7. Chemistry

    7. Which of the following is true? A. Cesium is the most active group 1 metal, because its valence electron is held more tightly than the others in the same group. B. Group 1 elements are more reactive than the group 2 elements because
  8. Chemistry

    The homework question said "which 2nd row element has 6 valence electrons and a valence of 2?
  9. Science

    1. groups/ family of elements are ones which: A. Have the same number of electrons in the valence/ outer engery level B. Have exactly 8 electrons in the valence shell outer energy level C. Have the same number of protons in the nucleus …
  10. bonding types of compounds

    which is an example of a covalent compound?

More Similar Questions