how can you tell if a compound is covalent or ionic from the formula, and how each is named differently?

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

The boiling point of liquids is very high what does it indicate

What layer of the atmosphere is directly above the troposphere?