A chart with the densities of several substances is provided. A sample substance has a volume of 26cm3 and a mass of 205.4g. Which metal is it? D=M/V Group of answer choices

Tin

Lead

Aluminum

Iron

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.

Is the idea of spontaneous generation supported by redi's experiment? justify your answer in 2-3 sentences?