True, Atoms can join together to form molecules and compounds., A chemical bond is a connection between atoms., Chemical bonds help form the substances we see around us., Atoms form bonds to become more stable., The outermost electron shell is the outside shell of an atom., An ionic bond usually forms between a metal and a non-metal., A covalent bond forms when atoms share electrons., Water has covalent bonds., Sodium chloride is formed by an ionic bond., False, Atoms always stay alone and never join with other atoms., Noble gases usually react easily with many substances., In an ionic bond, atoms share electrons.

U4.4

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