JAMB - Chemistry (2006 - No. 25)
A particle that contains 11 protons, 12 neutrons and 10 electrons is probably a
neutral non-metal
metallic ion
non-metallic ion
neutral metal
คำอธิบาย
Given:
n(P) = 11
n(N) = 12
n(e-) = 10
\(^{23}_{11}\) X \(^+\) ⇒ The positive sign shows that it is a metallic ion because all metals are positively charged.