Question 1
What are the forms of elemental carbon?
◦
graphite and diamond◦
graphite, diamond, and fullerenes◦
graphite and fullerenes◦
diamond and fullerenes◦
diamond, graphite, and carboniteQuestion 2
What are the most abundant metals in the earth's crust, oceans, and atmosphere?
◦
titanium and silicon◦
aluminum and iron◦
manganese and nickel◦
tin and lead◦
iron and lead