Which statement is FALSE about Dalton's atomic model? Each element has its own kind of atom.
Compounds are created when atoms of different elements combine.
Atoms cannot be created in chemical changes.
All matter is made of atoms.
Matter must contain positive and negative charges.

It's potassium i believe

The disturbance is only parallel to the motion of the wave.

For lesson: cameras, plant presses, newspaper, paper towels, clip boards, pencils, calculators, field guides, metric measuring tapes, paper, transect squares, colored pencils, ph meters, light meters, computers, etc.for extension: baggies for soil samples collecting, distilled water, hand shovels, beakers, boiled rice, microscopes, well microscope slides or regular microscope slides with cover slips

Silicon  6.0x10^23 is avogadro's number so the answer has to be 1 mole of whatever it is. since the molarity of silicon is equal to 28g/mol, this has to be the answer because 28g of si is 1 mole of si.