The correct name of the example is iron(III) oxide. Example #4: name this compound: SnO. 1  First symbol is Sn, so the first part of the name is tin. 2  The Roman numeral is II, because one oxygen = -2, so the one tin equals +2. 3  Second element is oxygen (from the symbol O), so the name is ox + ide = oxide.
Split and merge into it. Answer by Diana Christian. Confidence votes 92. Canadian Shield was formed when 2 tectonics plates collided, when they collided, folding occurred. The plate that was forced down, melted and rose back to the surface to cool down over time.These rocks (that were cooled down) eventually came to be known as the Canadian Shield.plit and merge into it. Answer by Diana Christian. Confidence votes 92. Canadian Shield was formed when 2 tectonics plates collided, when they collided, folding occurred. The plate that was forced down, melted and rose back to the surface to cool down over time.
Answers. Best Answer: The Canadian Shield is the oldest part of the North American continent. It was formed over 1 billion years ago probably through the collision of volcanic island archs that built on to each other. It is made of igneous rocks and highly metamorphosed rocks.I'm sure there are some sedimentary rocks as well.nswers. Best Answer: The Canadian Shield is the oldest part of the North American continent. It was formed over 1 billion years ago probably through the collision of volcanic island archs that built on to each other. It is made of igneous rocks and highly metamorphosed rocks.