What two elements have the same number of valence electrons a. rubidium and barium
b. sulfur and phosphorus
c. sulfur and selenium
d. xenon and nitrogen

Review the branily terms and services guides well u know what i never did so go have a nice ice cream sunday

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.