<span>(4) zinc.................</span>
Answer:
Structural formula shows the atoms and bondsin an organic compound.
Explanation:
Structural formula of methane shows
1 Carbon atom is singly bonded to 4 hydrogen atoms.
5 protons and six neutrons
Answer:
129 units cubed
Explanation:
There are ten spaces between 120 and 130, so we can infer that each line represents a change in volume of 1 unit. The volume of the substance in the graduated cylinder looks like it's 1 under 130, so its volume is 129 units.
Hopefully this was helpful! :)
