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Which are rules for writing chemical formulas? Check all that apply. identify the positive ion and charge balance the charges write the negative ion first identify the negative ion and charge use the number of ions as the ion’s superscript

Respuesta :

Answer:  The correct statements are

1) Identify the positive ion and charge

2) Identify the negative ion and charge

3) Balance the charges

Explanation:

While writing the chemical formula :

  • Look for the positive ion (cation) and its charge.
  • Look for the negative ions (anion) and its charge.
  • After this charges are balanced to maintain neutrality in a compound.
  • And use the number of ions as the sub script of the ion's in a chemical formula.

So, from the given statements the correct statements are:

1) Identify the positive ion and charge

2) Identify the negative ion and charge

3) Balance the charges

Answer:

c. write the negative ion first

Explanation: