1. how would increaseing the number of electrons in an atom affect the mass of that atom? 2. why are atoms neutral in charge ?
3. a neutral atom of neon would have how many electrons?
4. where are electrons located in the atom?
please help thanks im failing and it needs to be turned it

Ihat will happen if i added baking soda to vinegar

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.

Quiz1. which physical state of nitrogen has the highest entropy? a solid© b gasoc liquid