10 points melinda's science teacher gave her an unknown substance to identify based on its properties. after a few tests, melinda listed her observations in a chart. reflects light very well warms up in my hand flattens out when hit with a hammer conducts electricity which kind of substance does melinda have? a. nonmetal b. metal c. metalloid

In a floral arrangement, the focal area is often

How many atoms of oxygen are contained in 160 grams of n2o3

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold