O
reactivity
this is a characteristic of the elements in the periodic table 1 point
that shows a pattern. it may increase or decrease across or
down the table. *
o
energy level
periodic trend
reactivity
representative element

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.

Which statement can best be concluded from the ideal gas law?

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius