ASAP MULTIPLE CHOICE WILL MARK BRAINLIEST What did J. J. Thomson's cathode-ray tube experiment show?

Atoms are small individual spheres.
Electrons are in a cloud surrounding positively charged particles.
Atoms consist of at least some negatively charged particles.
Matter can be neither created nor destroyed.

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions