Section 2 Life in the Industrial Age Preview Main Idea / Reading Focus New Ideas in Science Faces of History: Marie Curie Medical Breakthroughs New Ideas.
Elements Elements – pure substance that cannot be broken down by physical or chemical means Pure substance – a substance that contains only one type of.
Periodic Trends. Periodic trend ~noting a property that is regularly repeating. Like noting all elements in group 18 are gases. Or metals in group 11.
Biochemistry Review Game. 6 C CARBON 12.011 I. Atomic number II. Number of protons III. Number of electrons a. I b. I & II c. II & III d. I, II, III What.
UNIT 2: Basic Chemistry
Development of Atomic Structure How long have people been interested in understanding matter and its structure? A.Thousands of years B.Hundreds of years.
Where are we? We have measured mass of proton: 1.66 x 10 -24 g We have measured mass of electron: 1836 times lighter than proton We have measured charge.
Matter And Energy. Density 1. Density: the amount of matter packed into a volume. 2. Equation: 3. Units for density include: A. g/mL B. g/cm 3 m d v.
Welcome to the Exciting World of Chemistry!!!!!!!.
I. ELEMENTS & ATOMS: Element = A substance that cannot be broken down into simpler substances Periodic Table ○ 1-92 occur in nature (natural elements)