Module 2.1.2 - Compounds, formulae and equations Flashcards
(29 cards)
What type of ions do metals form?
Positive
What type of ions do non-metals form?
Negative
What do positive ions usually end in?
-ium
What do negative ions usually end in?
-ide, -ate, -ite
What does ’-ate’ and ’-ite’ mean?
Contains oxygen
What does ’-ide’ mean?
One element only
What ions do metals in group 1 form?
1+ ions
What ions do metals in group 2 charge?
+2
What ions do non-metals in group 7 form?
1-
What ions do non-metals in group 6 form?
2-
What can transition metals form?
Positive ions of variable charge
What are compound ions?
Contain more than one element
What is the charge of ammonium (NH4)
+1
What is the charge on a silver ion?
+1
What is the charge on a zinc ion?
2+
What do roman numerals show?
Provide the positive charge
What is the charge on hydroxide ion (OH)
1-
What is charge on nitrate (V), NO3?
1-
What is charge on manganate (VII), MnO4?
1-
What is charge on hydrogencarbonate HCO3?
1-
What is charge on hydrogensulfate, HSO4?
1-
What is charge on carbonate, CO3?
2-
What is charge on sulfate (VI), SO4?
2-
What is charge on sulfate (IV), SO3?
2-
