(02.04 MC) A student represented a water molecule using beads
and straws. She connected two black beads and one
white bead in a certain manner using straws. Which of
the following explains the type of scientific model
created by the student?

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.