Reactions of Metals Flashcards
(33 cards)
What is the order of the reactivity series of metals from most to least reactive?
Potassium Sodium Calcium Magnesium Aluminium Zinc Iron Tin Lead Copper Silver Gold Platinum
True or false?
“Metals can’t conduct electricity.”
False
What is an element?
A simple substance that only contains one type of atom.
What is the name for the reaction between acids and alkalis?
Neutralisation
How acidic is pH 1?
A very strong acid
How do you test for hydrogen?
You get a lit spill, put it over, and it should make a ‘pop’ sound.
How do you test for carbon dioxide?
Turns lime water cloudy.
How do you test for oxygen?
Relights a glowing spill.
What is a compound?
A substance which is formed when 2 or more elements are chemically joined together.
What can you use to test the pH of something?
Universal indicator or litmus paper.
Can metals conduct heat?
Yes
Do metals have a bigger density than non-metals?
Yes
What metals are magnetic?
Iron, Nickel and Cobalt
Is iron and sulphur the same as iron sulphide?
No, iron suphide is a compound, iron and sulphur is a mixture
What do metals make when mixed with other metals?
Alloys
Non-metals are poor conductors of two things, what?
Electricity and Heat
What is a mixture?
A mix of elements and compounds, which aren’t chemically bonded/joined.
What is the name for particles that make up elements?
Atoms
What is pure gold?
An element
What is a molecule?
Two or more, of the same type of atom joined togeather by chemical bonds.
What is oxygen?
An element (a gas)
What is the name of the product made when copper is being heated and reacts with the air?
Copper Oxide
What is the charge of a Proton?
+1
What is the charge of a Neutron?
0
