An unknown sample has a mass of 17.2g and a volume of 28.3 mL. Would it float in water?

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.