Why do elements that are in the same group of the periodic table share similar properties? A. They all have the same number of electrons in the outer shell.
B. They all have the same atomic mass.
C. They are all metals.
D. They are all very reactive with other elements.

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl