What is the chemical name of the covalent compound p4o9?

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.

Will mark brainliest how many electrons can be held in the energy level n = 4?

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.