Answer:
Since different isotopes of an element have different numbers of neutrons (but always the same number of protons) they have different mass numbers. Nitrogen-14 and nitrogen-15 are both stable isotopes of nitrogen. However, the other 5 isotopes are all unstable.
Answer:
The boiling point of the substances
Explanation:
Because Boiling point is an intensive property.
A marble has more density than an inflated balloon.
Transporting metals, ions, water-insoluble molecules, and hormones. .... When erythrocytes are removed from circulation,
I think thee correct answer from the choices listed above is option D. <span>When a physical change in a sample occurs, composition of the sample does not change. It stays the same. Also, the properties of the sample will still be the same. Hope this answers the question.</span>
