1. Define mixtures 2. What are the various types of mixtures?
3. What is a substance?
4. Differentiate between homogeneous and heterogeneous mixture.
5. What are solutions? Give examples and list their properties.
6. Define solute and solvent. Support your answer with an example.
7. What are suspensions? Give examples and list their properties.
8. Define Tyndall effect​

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

Which characteristics can be used to differentiate star systems? check all that apply.