Magnesium has three naturally occurring isotopes: 24Mg (79 %), 5Mg (10 %) and {Mg (11 %).
What is the relative atomic mass of magnesium to
one decimal place?

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.