PLEASE HELP
The chemical formula for a compound tells what?

A. How electrons are arranged

B. how stable the compound is

C. what elements it contains

D. what type of chemical bond it forms

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

What are the genotypic and phenotypic ratios

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town