Calcium carbonate is a chemical compound.
neither. filtration is merely a means of separating something from something else.
it is a compound, an element is a substance which can not be broken down into anything else through chemical processes
Silver is an element. If you're talking about the silver that we use for silverware or jewelry, it is alloyed with other metals. A compound is a combination of two or more elements to make something else such as sodium and chlorine equals: NaCL2 or table salt.
No because Oxygen is an element and it only contains atoms of Oxygen and nothing else, no Hydrogen at all. A compound of Hydrogen must contain Hydrogen plus something else. Water contains Hydrogen and Oxygen (H2O) so that would be a compound of Hydrogen and oxygen.
An element is only made of the same type of atoms. Ex. oxygen is an element, and it is only oxygen atoms, nothing else. If there's both hydrogen and oxygen atom it is H2O, which is a compound.
element
the inside of a pie, be it fruit, meat, or something else
Hydrogen is an element.
FI does not represent a known chemical compound. It is likely a code or abbreviation for something else.
If you are talking about the gas we breath in the air, it's a compound. Pure oxygen as a gas exists as a molecule. Oxygen as an element, is unstable and as far as I know doesn't exist as a single element in nature. It will always occur in combination with something else, such as H2O or O2.
According to Ogden's Basic English it is a compound word.
Sulphur is a pure element. Unless its mixed in with something else there is nothing to separate it from.