And I don't exactly get what you are trying to ask hit me back up though
A True
Each element consists of one type of atom but, not contains only one atom. It has same type of atoms present in it.
They have high melting and boiling points and are hard and brittle
Answer:
The length of the bond is determined by the number of bonded electrons (the bond order). The higher the bond order, the stronger the pull between the two atoms and the shorter the bond length. Generally, the length of the bond between two atoms is approximately the sum of the covalent radii of the two atoms.
The 3 and 2 to the right of the components are subscriptions.