Lab Debrief and Particle Diagram Practice

Yesterday, you did your lab during class time. How did that go?

Which beaker contains a solid?

Which beaker is full of stuff that has no definite shape

and no definite volume?

Which particle diagram represents only a compound of element X and element Z?

The chart below lists some substances and their symbols. How many of these substances are examples of elements?

What makes elements and compounds different from mixtures? Elements & compounds-

Which of the following formulas represents a compound?

Classify the sample. Look carefully.

Classify the Sample.

What is a pure substance made of two or more elements that are chemically combined called?

Which is the best description of one particle of table salt (NaCl)?

Which beaker(s) contain a pure substance? (check all that apply)

Which beaker contains a compound?

Which beaker contains only one type of element?

In the diagrams provided, the circles of different colors represent the atoms of different elements. Which diagram represents a mixture?