CHEMISTRY

posted by .

Arrange the following ions in order of increasing size:

Br- Ca2+ K+ Se2-

  • CHEMISTRY -

    Taking electrons away makes the ions smaller than the atom. Adding electrons makes the ions larger than the atom.

  • CHEMISTRY -

    why is the atomic radius of a noble gas larger than a halogen?

  • CHEMISTRY -

    same response.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Chemistry

    The following equations are intepretations of the evidence from the reactions of four metals with various cation solutions. Make a table of half-reactions and arrange the four metallic ions and the hydrogen ions in order of their decreasing …
  2. O.CHEM -> PLEASE CHECK!!

    Arrange the compounds in the order of increasing boiling point ***(LOWEST first): 1) H3C-O-CH3 2) H2O 3) CH3CH2OH 4) CH3CH2SH I think the order should be: #1, 4, 3, 2 Arrange the following in order of increasing rate of reactivity …
  3. chemistry help-

    Which of the following has the lowest second ionization energy?
  4. chemistry

    Write the orbital diagrams for the following atoms/ions. Label the orbitals. You can use gas notation for Sr2+, Zn and Se2-. Sr2+ Se2-
  5. chem

    For each of the following sets of atoms and ions, arrange the members in order of increasing size. Mg2+ F- and Na+
  6. Chem

    Arrange the following atoms in order of increasing size from smallest to largest. Phosphorus Fluorine Chlorine Sulfur
  7. Chemistry

    rank the following atoms and ions in the order of expected increasing radius: Ca, Ca2+, Ar Pls pls help me kindly... Anyone?
  8. Chem

    Define isoelectronic series. Put the K+, Ca2+, Cl-, and Ar ions and atoms in order of increasing size and explain the trends. Count the number of electrons for each atom Then, explain the (column) size trend for Mg2+ versus Ca2+ ions …
  9. Chemistry

    Arrange the following cations in order of decreasing size :Ra2+,Sr2+,Ca2+,Ba2+.Also explain it.
  10. Chemistry

    Arrange the following ions in terms of increasing atomic radius (arrange the increasing from left [lowest] to right [largest]): P3-, Cl-, K+, S2-

More Similar Questions