How does the position of an element on the periodic table allow you to determine if the element is a metal?

left is metal (except for hydrogen), there is a line that separates metal and non-metal and in between those, that are hugging the line are metalloids

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.