suppose that element Y and Z are all the same period of the table, allot them to their correct group or the following evidence: are oxide W2O exists and is strongly basic form a liquid covalent chloride Cl3 the oxide y is Y2O3 , 3 produces and ion

Amass of 100.0 g of solute is dissolved in water so that 850. ml of a 0.7500 m solution has been prepared. what is the molar mass of the solute?

State the formula for density in words and mathematical symbols

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