How many electrons does oxygen gain to become oxide

Which statements describe proper use of a filter funnel? Check all that apply. Cut the filter paper in half before placing it in the funnel. Fold the filter paper in fourths before placing it in the funnel. Pour all the liquid through the funnel.

In a chemical, reaction react to form products. Accounding to the law of conservation of matter, if the total mass of the reactants is 10.0 grams, what will the total mass of the products be? how do we know?

What is the percentage increased in the volume of a gas when the pressure is reduced to half at constant temperature?

After a hunt, a wolf eats more food than it needs at that time. The extra glucose combines to form which substance? a) starch b) glycogen c) cellulose d) sucrose

Calculate the mass percent of carbon (c) in carbon tetrachloride, (ccl4), if the molar mass of carbon tetrachloride is 153.8g.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda