1st period
question 4
A ionic bond is a chemical bond. It occurs when one electron is lost. This makes a positive ion. When one is gained it makes a negative ion. It passes one on to the other. Molecules are made up of atoms in which they are joined together. The most straightforward molecules are made up of two atoms, such as, oxygen gas and nitrogen gas. An example would be bonding heat to a chemical, and letting it sit over time and becoming a crystal.
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