C2 Chemistry - properties of ionic compounds Flashcards Preview

Science B2 C2 P2 > C2 Chemistry - properties of ionic compounds > Flashcards

Flashcards in C2 Chemistry - properties of ionic compounds Deck (8)
Loading flashcards...
1

when does an ionic bond form?

when a metal reacts with a non metal

2

what are the two properties of ionic compounds?
explain why?

high melting and boiling points
-ionic bonds are strong, lots of energy to break them

conductive when liquid
-they can only conduct when their ions move freely, not when they are solid

3

what properties does graphite have? 3

insoluble in water
high melting point
conducts electricity

4

what are the characteristics of graphite (what does it look like?)

black and opaque
slippery

5

why is graphite slippery?

it contains layers of carbon atoms that move over each other easily cus there are only weak forces between them

6

what are diamonds properties? 5

hard
colourless and clear
high melting point
insoluble in water
does not conduct electricity

7

why do diamonds not conduct electricity?

they have no free electrons to move around freely

8

why do metals have high boiling and melting points?

their particles are help together by strong metallic bonds which makes them hard to break up, needs lots of energy