A hydrogen atom is an atom of the chemical element hydrogen. The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force. Atomic hydrogen constitutes about 75% of the baryonic mass of the universe.
The correct answer is slow
Concave is not a type of mechanical wave because it doesn’t need a medium for propagation.
Answer:
In addition to aluminium, the main materials in duralumin are copper, manganese and magnesium.
Answer:
D. 6
Explanation:
Each pointy end represents 1 carbon. So in total we have six carbons.
The name of this organic compound is hexane.
