Podcast Beta
Questions and Answers
Which of the following is a substance made of atoms of different elements bonded together in a certain ratio?
What is the smallest unit of a chemical element that retains the characteristic properties of that element?
Which element is needed to transport oxygen in your blood?
What is needed for cells to break down sugars for usable energy?
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Which type of bond is formed when two or more atoms combine chemically to form molecules?
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