Touch the red square and draw your answer in the box. Show the correct numerical set up for calculating the average atomic mass of Ne. You can use either the mass number
or atomic mass of Ne in your calculation.
x Clear Undo - Red
Isotope
Atomic Mass
(atomic mass units)
Percent Natural
Abundance
20Ne
19.99
90.9%
20.99
0.3%
21 Ne
22 Ne
+
21.99
8.8%

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

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