Welcome to the Quiz!
This quiz contains 4 questions from a mix of 1 subtopics.
In covalent bonding, are electrons transferred between atoms, or shared between atoms?
Transferred
Shared
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Covalent bonds form between ________ atoms.
metallic
non-metallic
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In a water molecule, the hydrogen and oxygen atoms are held together by bonds.
Before bonding, each hydrogen atom requires extra electron to complete its outer shell, and so wants to form covalent bond. Meanwhile, each oxygen atom requires more electrons, and so wants to form covalent bonds.
This means that water molecules will be made from hydrogen atoms and oxygen atom, so that all the atoms obtain full outer shells.
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Which of the following is an example of a simple molecule?
Sodium chloride
Graphite
Ammonia
Neon
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