What two particles account for almost all of the mass of an atom

If 1.85*10^23 carbon 13 how many electrons are in carbon 13

How does dalton's atomic theory account for the law of mass conservation?

How do the properties of the elements change as you move across a period on a periodic table from left to right? Group of answer choices A) The elements become more metallic. B) The elements become less reactive.

Which of the following is a velocity? A) 30 m/s (meters per second) B) 30 m/s (meters per second) going down C) 30 km/s (kilometers per second)

If a typical antacid tablet contains 2.0 g of sodium hydrogen carbonate, how many moles of carbon dioxide should one tablet yield?

Can dowels be chopsticks, since both of them are wood?

Which electron configuration represents the electrons in an atom of Ga in an excited state?

Why are there so many volcanoes in and around japan

A liquid fuel mixture contains 30.35% hexane (c6h14), 15.85% heptane (c7h16), and the rest octane (c8h18). what maximum mass of carbon dioxide is produced

What is the suns color