The modern atomic model includes electrons orbiting the nucleus. which of the following parts of dalton's atomic model was disproved by the discovery of the neutron?
a. atoms are tiny particles
b. atoms cannot be divided into smaller parts
c. atoms have specific mass and size
d. atoms have specific chemical properties

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

Which of these conditions most likely produces an unstable isotope?

What three things determine the shape and size of a puddle when water is poured out onto a surface