C1-5 Obscure Content Flashcards
What is the charge of a calcium ion
Ca 2+
What is the charge of a copper ion
Cu 2+
What is the charge of an aluminium ion
Al 3+
What is teh charge of a Magnesium ion
Mg 2+
What is the charge of a sodium ion?
Na +
What is the charge of sulfate?
SO4 = 2-
What is the charge of a carbonate ion
CO3 (2-)
What is teh charge of a nitrate ion?
NO3 (-)
What is the formula of nitric acid?
HNO3
What is teh formula of Sulfuric acid?
H2SO4
What is the charge of a zinc ion
2+
What is the charge of ammonium
NH4+
C1
What happens when sodium reacts with chlorine
Flame + smoke/clouds of white sodium chloride
What colour does fluorine turn when reacted with iron?
White
What colour does chlorine turn when reacted with iron?
Orange brown
What colour does bromine turn when reacted with iron?
Red brown
What colour does iodine turn when reacted with iron
Grey
What happens when fluorine reacts with hydrogen?
Explodes at room temp
What happens when chlorine is reacted with hydrogen
Explodes (with a flame or in sunlight)
What happens when bromine reacts with hydrogen
When warmed reacts vigorously
When iodine is reacted with hydrogen what happens?
Very slow reaction when heated allot
A more reactive halogen will _____ a less reactive halogen from its salt solution
Displace
As iodine forms in a solution it turns _____
Darker
What colour is chlorine?
Yellow