Question

co²⁺
express your answers as integers. enter your answers separated by a comma.
view available hint(s)
np, ne =
protons, electrons
submit
part b
cl⁻
express your answers as integers. enter your answers separated by a comma.
view available hint(s)
np, ne =
protons, electrons

Explanation:

Step1: Identify element number

Cobalt (Co) has atomic number 27, so $N_p = 27$. For $Co^{2 +}$, $N_e=27 - 2=25$.

Step2: For chlorine

Chlorine (Cl) has atomic number 17, so $N_p = 17$. For $Cl^-$, $N_e=17 + 1=18$.

Answer:

27,25
17,18