Pls Help. Will give brainliest. If a balance reads 6.4 g what is the range of possible masses that this represents? If the balance reads 6.47 g what is the range? Which range is smaller?

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.

Who determined the nature of chemical bonds?