I'll mark which of the following displays objects that are generally smaller than a planet?

a. stars and comets
b. astreoids, comets, and meteors
c. asteroids, meteors, and stars
d. stars, comets, and asteroids

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles