Flashcards in Compounds Deck (37):
Chemical name for H20
Chemical name for NH3
Chemical name for NaCl
Chemical name for MgO
Chemical name for CaBr2
The prefixes mono, di- and tri- tell us what?
How many atoms are in the molecule
Name the 5 Diatomic elements
What does diatomic mean
Consisting of 2 atoms
NaCl (Sodium Chloride) is also known as?
Differentiate between atomic numbers and atomic mass
The Atomic number tells us how many protons are inside the nucleus of that atom and the Mass number is the average number of protons + neutron's for that type of atom
When a metal reacts with oxygen they form?
When iron reacts with oxygen you get?
What is iron oxide
It is a reddish brown powder
When metal magnesium reacts with oxygen you get?
Magnesium oxide is a?
Iron Metal + Oxygen + Water will give you?
When iron reacts with water and oxygen you get?
Iron Oxide is also known as?
Name 2 ways to prevent rusting
Electroplating (coating in a thin layer of chromium or zinc)
Non metal + Oxygen --> ?
Allotropes is another word for?
Name the 4 allotropes of carbon
Name the 3 different forms Of Sulfur
What colour does oxygen burn with
An orange glow
When sulfur is burnt in oxygen what colour is the flame burnt with?
If carbon dioxide and sulfur dioxide are in the atmosphere, what will form?
Acids have a Ph in the range of ?
A neutral substance has a Ph level of?
What colour will a neutral substance change in an indicator?
Bases have a Ph in the range of?
What is neutralisation reaction
When an acid and base react together
Acid + metal oxide --> ?
salt + water
Name 2 problems acid rain can cause in the world?
Can slowly corrode buildings
Can cause damage to historical bulidings or landmarks
Causes rivers to become more acidic
What can be used to make soil less acidic?
acid + metal hydroxide --> ?
hydroxide salt + water
acid + metal carbonate -->
Salt + carbon dioxide + water