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? 1. The radius of an atom is 0.1nm 2. Most of the mass is in the shell of the atom. Fill in the table to show the charges and mass of the components of an atom. Name Charge Relative Mass proton square square neutron square square electron square What is the overall charge of an atom? Positive Negative No charge A compound is 2 or more __ , chemically __ Which of the following are compounds? Put a ring round them. oxygen, salt water, magnesium oxide, sodium chloride, nitrogen Why have you circled the ones you have? __ twinkl
- Last Answered 19/5/24 In a COVALENT bond ,the attractive force is between __ the NUCLEI themselves the ELECTRONS themselves the shared ELECTRONS (-ve)& the NUCLEI (+ve) the charged IONS Help 2
- Butane is made up of hydrogen and carbon I atoms. The ratio of hydrogen to carbon I atoms in butane is 5:2 What fraction of the atoms in butane are carbon I atoms?
- 9. How many covalent bonds do each carbon in diamond form? 10. Describe the structure and bonding in diamond. 11. Explain why diamond has a high melting point (3 marks) 12. Lubricants allow objects to slide over each other easily. Suggest why graphite can be used as a lubricant. 13. Explain why graphite is: A good electrical conductor. Soft and slippery. You should answer in terms of structure and bonding. (6 marks)
- The symbol equation for combustion of a hydrocarbon is shown below.. What number should go before the water product in order to balance this equation? Enter your answer as a number C_(3)H_(8)+ldots O_(2)arrow ldots CO_(2)+ldots H_(2)O