Give a good def of what is sediment

Which statement below is correct about DNA? Select one: Is inherited from your parents All of these are correct Is the blueprint for how your body works Contains instructions for proteins

What substance is composed of one type of atom

A chemist measures the amount of fluorine gas produced during an experiment. she finds that 76.9 g of fluorine gas is produced. calculate the number of moles of fluorine gas produced.

What does every chemical reaction involve? A change in concentration. A change in mass. A change in state. A change in energy.

On the periodic table, where do you find the most metallic elements?

Is ice cream a mechanical mixture or solution why?

Which term is used to describe the attraction that an oxygen atom has for the electrons in a chemical bond?

Suppose you wanted to dissolve 109 g of sodium carbonate in enough water to make 6.00 L of solution. What is the molarity of this solution?

0.0055 in scientific notation

Mineral oil dissolves in hexane but not in ethanol