Edexcel Unit 1 AS Chemistry
Lots of definitions to learn Isotopes Isotopes The Mole The Mole Avogadro number Avogadro number Relative Atomic/Molecular Mass Relative Atomic/Molecular.
Matter What is Matter? Section 2.1. Matter Matter is what the world is made of. Matter is what the world is made of. Matter has mass and volume Matter.
Unit 4: BIOCHEMISTRY The chemicals of life. A. Atoms 1. Made of 3 Particles: a. _________ - located in the _________ _________ charge; determine the element.
Unit 3: Chapter 6 - Biochemistry The Chemicals of Life.
Avogadro’s Number 6.02 X 10 23. 1 Mole of anything 6.02 X 10 23 of that thing.
Describing Matter
Empirical Formula Lab
7-2 OBJECTIVES Define covalent bond. Give examples of substances that contain covalent bonds. Distinguish between a molecular formula, an empirical formula,
MOLAR MASS & PERCENT COMPOSITION MOLES How many moles are present? CH 4 C = 1 mol, H = 4 mol.
4.6 MOLECULAR FORMULAS. 1. Determine the percent composition of all elements. 2. Convert this information into an empirical formula 3. Find the true number.
X Chemistry Unit 8 The Mole Problem Solving involving Chemical Compounds.
