Select all that apply.

salt dissolved in water is a solution, therefore

salt and water are chemically combinedsalt is not chemically bonded to waterthe quantity of salt and water is fixedthe ratio of salt to water may varysalt and water retain their own chemical properties

Which material produces static charge when rubbed ?

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy