28. An element “X” has five major isotopes, which are listed below along with their abundances. What is the element?
Isotope
Percent Natural Abundance
Atomic Mass
46X
47x
48x
49X
50%
8.00%
7.30%
73.80%
5.50%
5.40%
45.95269
46.951764
47.947947
48.947841
49.944792

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?