Answer:
a mixture
Explanation:
A mixture is a material made up of two or more components joined together, but not chemically combined. In a mixture, a chemical reaction does not occur and each of its components maintains its identity and chemical properties.
A compound is a substance formed by the chemical combination of two or more different elements from the periodic table. The elements of a compound cannot be divided or separated by physical processes. They are not mixtures or alloys
An element is a type of matter made up of atoms of the same class. It is an atom with unique physical characteristics, that substance that cannot be decomposed by a chemical reaction.
Answer:
B.nitrogen
Explanation:
Nitrogen is a gas at room temperature.
Answer:
An earthquake will happen
Explanation:
Give me Brainllest
Mole number of 75 g is 0.4 mol. NO2 is 0.8 mol and is 36.8 g.
