polyatomic ions

Oct 29th, 2015
Anonymous
Category:
Biology
Price: $5 USD

Question description

1which of the following is a polyatomic ion

NH4

Cl-

F-

Ca^2+

2 which of th following elements combinations will likely form polyatomic ions

sodium and bromine

oxygen and carbon

cesium and chlorine

xenon and neon

3 which of the following element combinations will likely form monatomic ions?

oxygen and nitrogen 

argon and krypton 

carbon and nitrogen 

potassium and iodine 

4. which of the following ions is NOT an oxyanion?

NO- 

CO3^2-

CN-

SO4^2-

5. The ionization energies (kl/mol) of hydrogen, nitrogen, soduim, chlroine, amd fluorine are 1,312 1,402 496 1,256 and 1,681 respectively. Which element is most likely to become a monatomic ion with fluorine if these atoms interact?

nitrogen 

hydrogen 

chlorine 

sodium 

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