Write a scientific explanation that explains how modern whales differ from their ancient ancestors THIS IS A CER SO I NEED CLAIM EVIDENCE AND REASONING PLEAS

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

Select the atomic models that belong to the same element

According to the tide table below what time of day will the highest tide occur?