Which of the following is an example of chemical energy being released or stored? The wind blows a kite through the sky.
The water in a river moves small rocks and sticks.
A coal power plant releases energy when coal burns.
Harp strings make noise when the harp is played.

Only one reactant yields 2 or more products. meaning you will only have 1 product and it will break down into 2 or more products. eg. h2o -> h2 + o2

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom