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Atoms and crystalline solids, Summaries of Materials science

Ryerson UniversityMaterials science

Summary of chapter 2 and 3. Covers atoms, atomic bonding and crystalline solids and their overview. DOES NOT cover miller indices.

Typology: Summaries

2020/2021

Uploaded on 04/27/2023

temineyi-ogedengbe
temineyi-ogedengbe 🇨🇦

2 documents

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bg1
*
Atoms
are
made
up
of
electrons,
protons
neuters.
⑧neufres
↑
I
other.
⑧
-
protons
·bectrons
*
Atomic
no
is
no
of
protons
electrons.
In
neutral
species,
they
-
each
*
AML
-
*
the
mass
of
carbon-12
-isotope
*
Atomic
weight
-
is
weight
of
6.02x102
molecules
or
atoms
Hame=1g/nah
pf3
pf4
pf5

Partial preview of the text

Download Atoms and crystalline solids and more Summaries Materials science in PDF only on Docsity!

  • Atoms are (^) made

up of

electrons, protons neuters. ⑧neufres ↑

I

other. ⑧- protons ·bectrons

Atomicno isno

of protons^

electrons. Inneutral^ species, (^) they

  • each

*AML -

*the^ mass

of

carbon-12 (^) -isotope

* Atomic

weight

  • (^) is weight (^) of

6.02x102 molecules or atoms

Hame=1g/nah

*Atomic Man(A):

Protonscostneutrons^ (N)

  • Isotope is^ when (^) atom of the same (^) elementhave (^) same (^) we of Protons

but neutrons.

Gesund Statesbest possible (^) energies in^ accordance^ withquarterthe

  • Valence electrons determine
  • C E T 0 Is (^) Is Is

chemical electrical^

Thermal Optical properties (^) properties

A Elections have eavelike and particulate

properties

* Quantum

no's have^ designations:

  • Helium (^) 1s Ionic bonding

dominant in^ aramial

  • Lithium (^) IS 2st Is 252 * Ew:EAtER = A - B

Baglium

ra -Boram Is"IS2^ attractive^!

Carbon (^) Is"2s:2p" repulsive

  • (^) ro = 0.3mm formany

ate

-Nitrogen IS22s2Ip^ -^ A,^ B^ are^ constants^ on^ particular conic (^) system. -Onggen IS"2st (^) 2p* - n (^) = 8 Covalent banding

(similar

electronegativity)

Shares electrons

-bonds determined^

by valence electrons^ - sporbitals

Bond hybridization isthe^ mining (^) of

2 or more orbitals

Metallic banch

~May be strong or (^) weakFonic-covalentmind bonding

melting boiling points^ for^ disple^ *% ionic^ character- is

very

low (1- e()^ x e.g Cals.% IC^ you TiAL, =XA =^15 XB =1. (

  • e-(3))x -1 - (^) ()^ =0%