Answer:
Neutrons
Explanation:
Isotopes are variations of an element that differ from the number of neutrons.
Astronomers use chemical signatures to determine<span> the age and .... </span>Gas<span> mixtures that contain more than </span>4<span>% hydrogen in </span>air<span> are potentially explosive. ... water vapor, </span>carbon dioxide<span>, and several other </span><span>gases</span>
Answer:
chlorophyll
Explanation:
the chlorophyll in the leaf absorbs all the colors of the radiation from sun but reflects only green colour. that is why we see green when we look at a leaf on a tree.
It is true. Since it is very reactive with oxygen and water, it is kept in kerosene or some other some other oil
Silver(1+) is a silver cation, a monovalent inorganic cation, a monoatomic monocation and an elemental silver. Silver is widely distributed in the earth's crust and is found in soil, fresh and sea water, and the air.
...
4.3Related Element.
Element Name Silver
Atomic Number 47