Chemistry Homework Assistance
QuestionAI's chemistry problem solver is a middle school chemistry tutoring tool that summarises key chemical reactions and equations in real-time, featuring a robust learning system to empower even those with a weak foundation in chemistry.
You needn't fret over the elemental properties of the periodic table anymore. Here, you can effortlessly access chemical reactions and reaction principles corresponding to each element. Deductive reasoning from microscopic phenomena to discern the original structure of molecules and atoms is a research technique we staunchly champion.
- True or false? The elements in group 1 of the periodic table are all metals. TRUE FALSE Group 1 3 11 No 19 mathrm(K) 37 mathrm(Rb) 55 Cs 67 Fr 119 mathrm(Un)
- (Total 13 marks) 2. This question is about salts. Green copper carbonate and sulfuric acid can be used to produce blue copper sulfate crystals. (a) Excess copper carbonate is added to sulfuric acid. Give three observations you would make. __ 1 2 (b) How can the excess copper carbonate be removed? __
- 4 How are elements distinguished from one another? A The number of protons. B The reaction that occurs with water. C The mass number. D The number of valence electrons.
- Explain why copper ions (Cu^2+) move to the negative electrode. 12
- Key Stage 3 Science -Chemistry Question 8 of II True or false? The Earth's mantle is mostly liquid.