Word Formation
Quiz
Use the prompt word OXIDE to form words that fit in the spaces.
Our science teacher was very strict with us when learning the names of chemical elements. Fortunately, she was never forced us to learn their ...... numbers by heart.
Once the chemical has ...... , its whole structure will have changed.
A ...... is a chemical containing no more than one single atom of oxygen in each molecule.
Since there wasn't enough ...... at the peak of the mountain, the mountaineers had minor problems breathing.
The children at our school were trying on the new ...... masks. The headmaster takes such preventative measures very seriously, you see.