The smallest particle of an element that retains its properties is called:MoleculeAtomIonCompound Read Notes
The mass number of an atom is equal to the sum of: Protons and electrons Protons and neutrons Neutrons and electrons Isotopes and ions Read Notes
A substance that increases the rate of a chemical reaction without being consumed is called:ReactantInhibitorCatalystSolvent Read Notes
The process of conversion of solid directly into gas is known as:EvaporationSublimationCondensationFusion Read Notes
A substance that increases the rate of a chemical reaction without being consumed is called:Chemistry, Everyday Science
