Chemistry

The problem

How many electrons does the netural atom gain or lose to form each of the following ions?
1)Ca2+
2)I-


The answer is contained in the question. If there is a "+", elecrons are lost. If there is a "-", electrons are gained. The number gained or lost equals the ion charge. The charge of I- is minus 1.

okay thanks.. one more question

the problem
Write the name of the following polyatomic ions.
1)HCO3-
2)NH4+

http://antoine.frostburg.edu/chem/senese/101/compounds/polyatomic.shtml#novices

Memorize these quickly.

  1. 👍 0
  2. 👎 0
  3. 👁 121
asked by Bryan

Respond to this Question

First Name

Your Response

Similar Questions

  1. chemistry

    Predict how many electrons will most likely be gained or lost by each of the following elements. (a) Se Will it gain or lose electrons? gain lose number of electrons (b) Cl Will it gain or lose electrons? gain lose number of

    asked by NEED HELP on September 27, 2010
  2. Chemistry

    1. When a potassium atom reacts with a bromine atom, the bromine atom will a) lose 1 electron and form a positive ion b) lose 2 electrons and form a positive ion c) gain 1 electron and form a negative ion d) gain 2 electrons and

    asked by Lisa on October 21, 2010
  3. Chemistry

    What property of nonmetallic elements makes more likely to gain electrons than lose electrons? Non-metals already have outside shells that are more than half filled (escept for group 4 elements) and it is easier to fill the shell

    asked by Bryan on November 15, 2006
  4. chemistry

    Can someone please help me with these? How many electrons would Nitrogen, Aluminum, and Bromine gain or lose? Look at the periodic table and find N, Al, and Br. You should find N in group VA (or 15 depending on the system being

    asked by Fidelia on January 23, 2007
  5. chemistry

    According to the octet rule a calcium atom has a tendecy to.? Look at Ca on the periodic table. It is in group 2 (or IIA depending upon the system your teacher is using). That tells you that it has two electrons in its outer shell

    asked by john tucker on January 20, 2007
  6. Chemistry

    "Would you expect each of the following atoms to gain or lose electrons when forming ions? What ion [cation/anion] is most likely in each case?" Followed by a short list of elements such as Na and Sr. What I'm wondering is how I'm

    asked by Jack on October 18, 2007
  7. 9th grade

    would you expect the following atom to gain or lose electrons when forming ions? what ion is the most likey? The atom is In how would i do this?

    asked by helppp on December 4, 2008
  8. Configuration

    What is the electronic configuration of carbide C-4? Thought it was 1s2 2s2 sp2. Thanks from Sheryl C is atomic number 6. Electronic configuration of the neutral atom is 1s2, 2s2, 2p2. The carbide ion, C^-4, has four more

    asked by Sheryl on October 17, 2006
  9. chem please explain to me!

    can someone please elpain to me the formation of binary ionic compounds from its constituent element. cuz I don't understand! thanks I really thank you guys alot! What grade are you in? Do you know about s and p orbitals? um.. why

    asked by carol on June 17, 2006
  10. Chemistry

    ELement A has a valence electronic structure of ns2np1. Element B has the valence electronic structure of ns2np5. Write a formula for the compound that would be formed from elements A and B. Element A has three electrons to lose

    asked by Dave on April 19, 2007

More Similar Questions