Fill in the blanks with the words given below- [Atoms, homogeneous, metals, true, saturated, homogeneous, colloidal, compounds, lustrous] 1.An element which are sonorous are called 2.An element is made up of only one kind of 3.Alloys are mixtures. 4.Elements chemically combines in fixed proportion to form 5. Metals are and can be polished. 6. a solution in which no more solute can be dissolved is called a solution. 7. Milk is a solution but vinegar is a solution. 8. A solution is a mixture. pls help, could not get these answers

Arock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to separate different parts of a rock into pure substances. this is because a rock is a(n)

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from