An unidentified element has four valence electrons. identify this atom.

The length of a vector arrow represents its magnitude and the point represents its direction true or false apex

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?