Bive a reason for each of the following. 1. The symbol for calcium is not 'C' but 'Ca'.​

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Draw metallic bonding if two copper

What are the chemical names of these compounds? ke: mg3n2: reset next