A student needs 0.250 moles of iodine ('don't forget it's a BrINCIHOF - diatomic!)
for a reaction. What mass of iodine would
the student need to measure out for the
reaction
31.7 g
127 g
2549
63.5 g

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

What is the percentage composition of carbon in the compound ch4

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons