Iwould like to know if this question is correct. if is not correct how can i solve it?

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

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.