The atomic number of an element whose atoms have 10 protons and 19 neutrons is .

The atomic number of an element whose atoms have 10 protons and 19 neutrons is 10.

Explanation:

The amount of protons in an element is unique to that specific element and it is also known as the atomic number. If the number of protons were to change to any other number than the element would also change. Protons define the element, and the atomic number is found in the number of protons.

your answer should be 10 :)

Explanation:

well off of my head we know that the perfume bottle is most likely opened, or broken. i can also tell it is moving at low and high concentration because it is covering the other side of the room. what we can obtain from this information is it explains why the odor can be detected at the other side of the room.