Chemistry Review

Chemistry Review - Chemistry Review Scientific method...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry Review Scientific method Hypothesis experiment (observe/data collect) conclusion Law = the summary of a mass amount of facts example: gravity Theory= a unifying principle that explains a body of facts and/or those laws that are based on them Matter= anything that takes up space Substance= a form of matter that has a definite composition and distinct properties Mixture= a combination of two or more different substances in which the substances retain their distinct identities Homogenous mixture = composition that is same throughout “one phase” Heterogeneous mixture= not uniform throughout Element= substance that cannot be separated into a simpler substance by chemical means 82 elements occur naturally on Earth 114 elements Compound= a substance composed of atoms of two or more elements in fixed proportions. They can be separated into their elements by chemical means. Ionic(ions) Covalent(molecular) 3 types of matter: solid, liquid, gas Types of Changes: Physical= does not alter the composition or identity of a substance Chemical= alters the composition or identity of the substance( chemical reaction) Extensive Property= depends upon how much matter is being considered Mass Length Volume Intensive Property= does not depend upon how much is being considered
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/25/2012 for the course CHEM 4385 taught by Professor Staff during the Fall '11 term at Texas State.

Page1 / 3

Chemistry Review - Chemistry Review Scientific method...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online