Particle That Substances Are Made Of Flashcards Preview

Physics (Grade 9 and 10) > Particle That Substances Are Made Of > Flashcards

Flashcards in Particle That Substances Are Made Of Deck (11)
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1

What is an atom?

1. Building block of matter
2. Microscopic structure gives matter different properties
3. Properties of substance - type of atom
• normally bonded in compounds/ molecules
•NOBLE GASES- only atoms found individually

2

What is a compound?

1. Group of 2 or more different atoms that are attracted to each other by relatively strong forces
2. Combined in definite proportions

3

What are covalent molecular structures?

1. Small molecules
2. Separate molecules
3. No metals

Water(H2O) ; oxygen( O2)
Sulfur( S8) ; Buckyballs( C40)

4

What are Network structures?

Giant repeating lattice structures

5

Types of network structures

Covalent network structures
Ionic network structures
Metallic network structures

6

What are examples of covalent network structures?

Diamond (C)
Graphite (C)
Silica (SiO2)

7

What are ionic network structures?

1. All results of ionic bonding = network structures

Sodium chloride (NaCl)
Barium Sulfate ( BaSO4)
Silver Iodine (AgI)

8

What are metallic network structures?

1. All metals are network structures

Copper (Cu)
Iron (Fe)
Gold (Au)

9

What is an ionic substance?

Combination of ions bonded together into giant molecules

10

What is crystal lattice?

Arrangement of ions in a regular geometric structure

11

What is electronegativity?

1. Property of an atom describing how strongly it attracts/ holds onto electrons