Temario de ingl1s

Apuntes

**Temario de inglés** • Matter 1. What is matter? Matter is everything that has **mass** and occupies **space**. 2. Properties of matter: ➔ **Physical properties** (color, mass, density). ➔ **Chemical properties** (how it reacts with other substances). 3. What is the Law of Conservation? The law of conservation of mass states that matter cannot be **created** or **destroyed** in a closed system. 4. States of matter: ➔ **Solid:** has a definite shape and volume. ➔ **Liquid:** has a definite volume but takes the shape of its container. ➔ **Gas:** has no definite shape or volume and fills its container. ➔ **Plasma:** is also considered a state of matter, characterized by ionized gases. **Vocabulary** • Subatomic particles and atomic structure 1. **Electron:** A subatomic particle with a negative electric charge. 2. **Structure:** The arrangement of parts within a system or object. 3. **Molecule:** A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. 4. **Element:** A pure substance consisting of only one type of atom, characterized by its atomic num...