User Reviews

  • 21 June 2019 at 10:01 pm
    At school we learnt that carbon is element 6 in the periodic table, has two allotropes, diamond and graphite (now more), is the base of organic chemistry, has many chemical combinations and molecular shapes and, as salts, such as carbonates,…

    Full Review

Add a Review

To leave a review you need to be logged in to your account on ENGins.

Sign up for free or log in if you already have an account.