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5 Terms
What is the atomic number?
The atomic number is the number of protons in the nucleus of an atom, which determines the chemical properties of an element.
What is a covalent bond?
A covalent bond is a type of chemical bond where two atoms share one or more pairs of electrons.
What is a chemical reaction?
A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.
What is the law of conservation of mass?
The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.
What are acids and bases?
Acids are substances that donate protons (H+) and have a pH less than 7, while bases are substances that accept protons and have a pH greater than 7.