Particle That Substances Are Made Of

Question 1

What is an atom?

Answer 1

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

Question 2

What is a compound?

Answer 2

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

Question 3

What are covalent molecular structures?

Answer 3

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

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

Question 4

What are Network structures?

Answer 4

Giant repeating lattice structures

Question 5

Types of network structures

Answer 5

Covalent network structures
Ionic network structures
Metallic network structures

Question 6

What are examples of covalent network structures?

Answer 6

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

Question 7

What are ionic network structures?

Answer 7

1. All results of ionic bonding = network structures

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

Question 8

What are metallic network structures?

Answer 8

1. All metals are network structures

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

Question 9

What is an ionic substance?

Answer 9

Combination of ions bonded together into giant molecules

Question 10

What is crystal lattice?

Answer 10

Arrangement of ions in a regular geometric structure

Question 11

What is electronegativity?

Answer 11

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