How did Dalton describe the relationship between atoms and elements? Atoms are made up of combinations of elements. An element is made up of one kind of atom. Elements are made up of atoms arranged in whole-number ratios. Different kinds of atoms chemically combine to form elements.

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.