Unit 1 Test B 2023-2024

This is a molecule of water. Water has two type of atoms which make it...

Ashtyn wrote down some chemical formulas on the board, which ones are elements. (remember, elements only have one Capital Letter)

Which one is the simplest pure substance?

How many atoms does one element have

What kind of pure substance forms when I combine two or more elements?

Olivia is watching her teacher do an experiment. As she is watching, what should she be looking for to identify the experiment as a chemical reaction?

When Mr. Garcia Mixes two liquids together and a solid substance forms, what is it called?

Which answer choice correctly lists only elements?

(Remember that elements only have 1 Capital Letter)

Which one of these is a compound?

(Remember, a compound has more than one type of atom)

Amelia had a beaker with a small amount of baking soda. She added a few drops of vinegar to the baking soda and saw fizzing and bubbling. After looking at the bubbles, which of these can Amelia say was made.