How many electrons are in a chloride ion Cl- and how are they arranged in the shells? a periodic table can be used.
18 total2,8,8(2,8,7 in chlorine atom, one more from another atom to form the negative charge and filling the third shell)
MM
Related Chemistry GCSE answers
All answers ▸Describe one chemical test and one physical test for pure water.
Describe how a sample of copper chloride crystals could be made from copper carbonate and dilute hydrochloric acid.
16.4 g of Ca(OH)2 was reacted with HCl in a reaction. What was the expected mass of CaCl2, given the mass of the reactant Ca(OH)2 was 12.6 g? What is the percentage yield of the reaction? ( Give all answers to 3 significant figures)
Why can metal conduct electricity and heat?