A chemist weighs 742.3mg of Aluminum on a scale. What is the amount in decigrams?

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.

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.