Study notes for Chemistry test. Basic definitions and notes on group structure and chemical bonding. For year 10 these achieved a level 6+ or an A+ (The spaces are for atomic drawings).

Definitions Atom- An atom is a very small piece of matter. These tiny particles are the entire matter of the universe. An atom consists mainly of space and is composed of tiny particles of matter. An atom is composed of three types of matter Protons, Neutrons and electrons. Nucleus- The dense positively charged center of an atom. Proton (P+)- Located in the nucleus is a positively charged particle called a proton. An atom has …

…structures ·<Tab/>Each is surrounded by six ions of the opposite charge Reactions Acid + Alkali à Salt + Water Acid + Metal Hydroxide à Metal Salt + Water Acid + Metal à Metal Salt + Hydrogen Acid + Metal Carbonate (Co3) à Metal Salt + Water + Carbon Dioxide Acid + Metal Oxide à Metal Salt + Water Salts Nitric makes Nitrates Hydrochloric makes Chlorides Sulphuric makes Sulphates