Gas.
The sky is not solid, not liquid but of gas. It is also
called the atmosphere, one of the important spheres on earth that influences
the climate –temperature, humidity, precipitation, atmospheric pressure, and
the biotic community as a whole. The atmosphere or the sky is composed of many
layers and is responsible to protecting the living organisms of the earth
against the deadly ultraviolet rays and other strong radiation coming from the
sun.
The various atomic masses of the same element are called<u> isotopes</u>. They have the same number of protons but different number of neutrons.
Answer:
Potassium is an element that has 19 electrons
The spoon should be connected to the negative terminal of the battery. The other electrode should be made of silver.
