matter (english)

Lucy Odio
Flashcards by Lucy Odio, updated more than 1 year ago
Lucy Odio
Created by Lucy Odio almost 6 years ago
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Description

-matter (their states too), mass, volume, weight, -intensive and extensive properties -physical and chemical properties -physical and chemical properties -classification of matter -separation techniques for mixtures

Resource summary

Question Answer
..., mass, volume and weight MATTER: anything that has mass and takes up space MASS: the amount of matter in a object VOLUME: the amount of space an object has WEIGHT: gravitational force apply to an object
DIFFERENCE between mass, volume, weight, and... matter is mass and volume. volume is the amount of space. mass is the amount of matter, is measured in a balance, graduated in kg. weight is the gravitational force on an object, depends on position, is measured with a dynamometer, depens on gravity and graduated in Newtons.
properties of matter: extensive and intensive EXTENSIVE: depends on the amount of matter in a sample -mass, volume, weight INTENSIVE: depends on the type of matter -density, reactivity
Physical properties characteristic that we can observe without changing its identity. EXAMPLES: color, shape, texture, size, odor, shine, hardness, volume, weight, density, boiling point, freezing point, temperature, codensation point, malleability, ductility, solubility, state, conductor of heat or electricity, magnetic attraction, streak...
Chemical Properties ability of a substance to react with other that has different characteristics EXAMPLES: reactivity: ability to react flammability: ability to burn
Physical Change changes that affect physical properties, without changing its identity.
Chemical Change process in which substances change into a new one. EXAMPLES OF CHEMICAL CHANGES: change in color, in odor, in shape, in temperature, formation of precipitate, and of bubbles.
States of matter: solid, liquid, SOLID: definite volume and shape, particles vibrate in there place and very close each other LIQUID: definite volume, take shape's container and particles can slip one another
States of matter: gas and plasma GAS: particles move very fast, ocuppies more volume, expands to fill the container and take its shape PLASMA: intermolecular forces are created by ionic attractions, is ionized gas at high temperature, has free electrons, and is present is Plasma TV, fluoresents and stars
Changes of state melting: solid to liquid evaporation: liquid to gas condensation: gas to liquid frizzing: liquid to solid deposition: gas to solid sublimation: solid to gas dionization: plasma to gas ionization: gas to plasma
classification of matter PURE SUBSTANCES: substance with definite physical and chemical properties, consist on a single element or compound -elements:made of only one kind of atom -compounds: made up of different kinds of atoms chemically combined MIXTURES: variety of elements and compounds that aren´t chemically combined
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