Gr 7 Structure of Matter PDF Notes
Document Details
Tags
Summary
These notes cover the structure of matter, classifying substances into elements and compounds. They differentiate between pure substances and mixtures, and give examples of each. The document details identifying characteristics of these substances, and the note also briefly touches upon homogenous and heterogeneous mixtures.
Full Transcript
GOOD MORNING! Sir. Ace PRAYER Heavenly Father, thank you for the gift of education and for the chance to learn something new every day. Please help us to use this knowledge to make the world a better place, and to always seek the truth and wisdom in all that we do....
GOOD MORNING! Sir. Ace PRAYER Heavenly Father, thank you for the gift of education and for the chance to learn something new every day. Please help us to use this knowledge to make the world a better place, and to always seek the truth and wisdom in all that we do. Amen Which among the objects displayed has the same characteristics? These are the group of objects that have the same characteristics Which characteristic is common among them? Structure of Matter OBJECTIVES Classify matter. Differentiate compounds from mixtures. Identify components of a compound. Gold Silver Copper Iron Oxygen Gold Silver Pure Copper Substances Iron Oxygen Gold Silver Pure Substances maybe an element or Copper compound. Iron Oxygen Element Gold Silver simplest form of a substance. consist of only one kind of atom. Copper represented by chemical symbol. Iron Oxygen Au Ag Cu Fe O Gold Silver Examples? Copper Iron Oxygen Gold Element Silver + Copper Iron Element Oxygen Element Gold Na Silver + + Copper Cl Element Iron Oxygen Compounds Water Salt are chemically combined two or more elements. represented by chemical formula. Muriatic Acid Water Salt Muriatic Acid H2O NaCl HCl Water Salt Examples? Muriatic Acid Mixtures Soft drinks Lemonade consists of two or more components. unlike compounds, mixtures are not chemically Iced Tea combined. Soft drinks Lemonade Iced Tea Soft drinks Lemonade Homogenous Mixtures have only one phase. most common samples of mixtures are solutions. Iced Tea Soft drinks Lemonade Heterogenous Mixtures form more than one phase. components can bed distinguished visually. Iced Tea Soft drinks Lemonade Examples? Iced Tea Classification of Matter Classification of Matter Pure Substances Mixtures Classification of Matter Pure Substances Mixtures Elements Compounds Classification of Matter Pure Substances Mixtures Elements Compounds Chemical Chemical Symbol Formula Classification of Matter Pure Substances Mixtures Elements Compounds Homogenous Heterogenous Chemical Chemical Symbol Formula Questions?