M Topics (Chapters 2 - 4)

M Topics (Chapters 2 - 4) - Summary of M Topics from...

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

View Full Document Right Arrow Icon
Summary of “M” Topics from lecture for Chapters 2 - 4 M topics – Chapter 2 Definitions of atom, molecule, element, compound Mental pictures of a solid, liquid and gas Names and symbols of elements 1 – 36 (H – Kr) Naming molecular compounds Special names of NO, NH 3 , H 2 S Structural formulae: strings of O or H atoms NOT common Figure 2.18 Charge on proton is about 10 -19 Coulomb Mass of proton is about 10 -24 g In normal atom, # of protons = # of electrons # of protons is called the atomic number Definition of mass number Definition of atomic mass Mass of proton is about 1 amu (atomic mass number) Avogadro’s Number is 6.02 x 10 23 Definition of the mole and molar mass Molar mass as a conversion factor The names of Groups I (alkali metals), VII (halogens) and VIII (noble gases) Definitions of cation and anion Spacefilling model of an ionic compound Hydration of ions in aqueous solution Ionic compounds: usually a metal bonded to a nonmetal Rule for construction of an ionic compound from any cation with any anion Rules for the charges of atomic ions of the representative elements (Table 2.3)
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 02/20/2011 for the course CHEM 110 taught by Professor Dr.huston during the Spring '06 term at Pittsburgh.

Page1 / 3

M Topics (Chapters 2 - 4) - Summary of M Topics from...

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