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Shameeka is studying for an exam. She took the notes below about calcium and chlorine, which are known to form ionic bonds.

Calcium, which is a metal, donates 2 electrons to chlorine.
The individual calcium atoms become ions with a negative 2 charge.
The bond between calcium and chlorine makes the atoms stable.
Calcium and chlorine attract each other.

Which best describes Shameeka’s error?

Calcium is a metal, so it donates protons, not electrons.
The individual calcium atom has a positive, not negative, 2 charge.
The bond formed makes the atoms unstable, not stable.
Calcium and chlorine repel, not attract, each other.

Respuesta :

quasarJose

Answer:

The individual calcium atom has a positive, not negative, 2 charge.

Explanation:

The error in her study is in the second line of her note which suggests that the individual calcium atoms becomes ions with a negative 2 charge.

  • When atom loses electrons, it has a net positive charge on it.
  • Not a negative charge.
  • This is because the number of protons is now more than electrons.
  • Therefore, a net charge on the calcium atom will be a positive one.
  • This is her mistake.

Answer:

B) The individual calcium atom has a positive, not negative, 2 charge.

Explanation:

Hope this helps. Have a good day!