chapter 2-1. a substance made up of two or more different types of atoms bonded together. elements...

Chapter 2-1

Upload: joleen-mosley

Post on 12-Jan-2016

227 views

Category:

Documents

0 download

Report

Download

Embed Size (px):

TRANSCRIPT

Chapter 2-1

A substance made up of two or more different types of atoms bonded together.

Elements are to compounds as letters are to words.

Elements change when they form compounds. Sounds of letters change to form words

Page 4: Chapter 2-1. A substance made up of two or more different types of atoms bonded together. Elements are to compounds as letters are to words. Elements

All compounds have the same ratio of elements. Ammonia: 3 hydrogen for every nitrogen

Ratio of 3:1 Hydrazoic acid: 1 hydrogen for 3 nitrogen

atoms Ratio of 1:3

Different ratios = different properties

Page 5: Chapter 2-1. A substance made up of two or more different types of atoms bonded together. Elements are to compounds as letters are to words. Elements

A chemical formula uses chemical symbols and the ratios of elements to represent a compound.

Carbon Dioxide: 1 carbon and 2 oxygen Symbol for Carbon

C Symbol for Oxygen

O CO2

Subscript: Number to the lower right, tells the number of atoms

Page 6: Chapter 2-1. A substance made up of two or more different types of atoms bonded together. Elements are to compounds as letters are to words. Elements

Page 7: Chapter 2-1. A substance made up of two or more different types of atoms bonded together. Elements are to compounds as letters are to words. Elements

Hydrogen Chloride: 1 hydrogen and 1 chlorine

Water: 2 Hydrogen and 1 Oxygen Ammonia: 1 Nitrogen and 3 Hydrogen CH4

C3H8

Page 8: Chapter 2-1. A substance made up of two or more different types of atoms bonded together. Elements are to compounds as letters are to words. Elements

Hydrogen Chloride: 1 hydrogen and 1 chlorine

HCl

Water: 2 Hydrogen and 1 Oxygen H2O

Ammonia: 1 Nitrogen and 3 Hydrogen NH3

CH4

Methane: 1 Carbon and 4 Hydrogen

C3H8 Propane: 3 Carbon and 8 Hydrogen

Page 9: Chapter 2-1. A substance made up of two or more different types of atoms bonded together. Elements are to compounds as letters are to words. Elements

Page 45 numbers 1, 2, 4 and 6.

3.1 Life’s molecular diversity is based on the properties of carbon Diverse molecules found in cells are composed of carbon bonded to other elements

OGT Review. Elements Elements are the basic building blocks of matter. Elements are the basic building blocks of matter. There are 115 known elements

Participatory statistics to measure prevalence in bonded ......modern forms of bonded labour are more prevalent, are working towards reducing trafficking, bonded labour and harmful

Nomenclature A System of Naming Compounds Compounds are two or more atoms of different elements bonded together

The Analysis of Adhesively Bonded Advanced Composite ...The Analysis of Adhesively Bonded Advanced Composite Joints Using Joint Finite Elements NASA/CR—2012-217606 ... Chapter 2

oscaracademyqatar.comoscaracademyqatar.com/.../2017/12/Science-Revision-6.docx · Web viewA substance in which the atoms of two or more elements are bonded together? a. Compound b

Sparse Matrices sparse … many elements are zero dense … few elements are zero

Compounds, Bonding, and Energy. A compound is composed of two or more different elements that are chemically combined (bonded) in a definite ratio. NaCl

atoms, elements, molecules & compoundschemtextbook.com/wp-content/uploads/2019/11/atoms-molecules-c… · Two or more atoms bonded together are called molecules. All substances are

WHAT ARE YOU MADE OF · Web viewChemical Bonding Vocab: Molecule: A particle with 2 or more atoms bonded together. Compound: Molecule with at least 2 different elements. They can

The Diatomics They are elements that are found as two atoms bonded to themselves. They are H 2, N 2, O 2, F 2, Cl 2, Br 2, I 2 There are 7 of them and

Just a few elements, (usually bonded with other elements in compounds), make up most the matter on Earth

Atoms are bonded together by electrons , but what is a bond ?

A. Organic Compounds = compounds containing carbon atoms that are covalently bonded to other carbon atoms and other elements such as oxygen, hydrogen,

Molecular Compounds Section 9.3 and Chapter 8. Nomenclature for Molecular Compounds When two NONMETALS are bonded together: 1.Write the names of the elements

Biochemistry Organic compounds Organic compounds Contain carbon, are covalently bonded, and are often large Contain carbon, are covalently bonded, and

· Web viewaluminium O oxygen Br bromine Na sodium N nitrogen I iodine Compounds Compounds are pure substances which are made from two or more elements chemically bonded together

The Bonded Flange Center Drain Series are intended for use with … Flange... · 2015. 11. 24. · Bonded Flange Center Drain Series Installation Instructions The Bonded Flange Center

Introduction to Chemical Compounds. What is a chemical compound? A compound is a substance that is made of two or more elements that are chemically bonded

Elements - elements are pure homogeneous forms of matter

◊ 92 elements are naturally occurring, the rest are man-made ◊ 25 elements are found and needed by our body - Major Elements: O, C,H,N - Minor Elements:

1 Matter Part II. 2 Pure Substances vs. Mixtures Pure Substances Pure Substances Made of either elements or compounds that are chemically bonded. Made

Chemical Bonding. What are two elements joined together called? Two elements chemically bonded together are called a compound. A compound has different

Bonded Warehouse Regulations 2019 - Salzburg Airport...The Bonded Warehouse shall be at the disposal of everybody under Customs Act provided that the bonded Warehouse regulations are

Prediction of adhesion failure of bonded joints using 3 ...• Paroissien E, Lachaud F and Jacobs T. A simplified stress analysis of bonded joints using macro-elements. In: Advances

Contemporary Concepts in Specimen PreparationULTRA-PREP™ Metal-bonded or Resin-bonded diamond grinding discs. Metal-bonded discs are available in 2.875, 8, and 12 inch (73, 203,

What are these made of?. Elements Elements Elements are any pure substance. They are made of only one type of atom. Some examples of elements are gold

Compounds and molecules: Molecule is made of two or more atoms that are chemically bonded. compound is made of two or more elements that are chemically

gmhshonorsbiology.pbworks.com · Web viewc. amino acids are bonded together with peptide bonds d. drawing an amino acid Each oval represents 1 amino acidThey are bonded together to

A compound is two or more different elements(atoms) bonded together

Compounds A compound is a pure substance that contains two or more elements that are chemically bonded to each other Compounds form when the electrons

Unit 1 - Matter Gold, Silver, Sodium, Fluorine . Compounds are substances composed of atoms of two or more elements chemically bonded in a specific ratio

Contract No. and Disclaimer: the United States Government ... · represent percolation channels that can act as ion-exchange paths for elements that are ionically bonded to the NBO

PREVENTION AND ELIMINATION OF BONDED LABOUR …un-act.org/.../2016/04/Prevention-and-Elimination-of-Bonded-Labour… · PREVENTION AND ELIMINATION OF BONDED LABOUR ... are retained

Compounds and Bonding. Compounds Compounds = contains two or more different elements chemically bonded together Most elements are in the form of a