Would you expect a calcium ion to be bigger, smaller or the same size as a calcium atom? Give TWO reasons to explain your answer.
Calcuim is in group two which means when it forms an ion it will donate its two outer elections, this means a calcium ion will be smaller as it has one less shell of electrons.
UC
Related Chemistry A Level answers
All answers ▸Why can there be one major product and one minor product after electrophilic addition takes place across a double bond?
In what conditions does sodium chloride conduct electricity and why?
The molecular formula of TCDD is C12H4O2Cl4. Chlorine exists as two isotopes 35Cl (75%) and 37Cl (25%). How many molecular ion peaks are there? What is the mass of the most abundant one?
Explain the trends in ionisation energies across the 2nd period of the periodic table?