Magnesium has three naturally occurring isotopes: mg-24 with mass 24.3050 amu and a natural abundance of 78.99 %, mg-25 with mass 24.9858 amu and a natural abundance of 10.00 %, and mg-26 with mass 25.9826 amu and a natural abundance of 11.01 %.
calculate the atomic mass of magnesium.

What happens when light is scattered?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

In the reaction between a crushed antacid tablet and vinegar what gas is emitted