What is the basic unit of matter? (Hint: What is all matter made up of?) Cells Light Atoms Nucleus

What particle is X?

What particle is Y?

What particle is Z?

What is the arrow pointing to?

What is circled in the picture?

What is circled in the picture?

The formula for hydrogen peroxide is H₂O₂. Which model represents hydrogen peroxide?

What are the three particles that make up an atom?

How many total atoms are in this formula: 2C₂H₄

Is the following chemical equation balanced? 2H₂+O₂ ---> 2H₂O

Changing a gas to a liquid is _______________.

Changing a liquid to a gas is _______________.

Changing a solid to liquid is _______________.

Changing a liquid to a solid is _______________.

We just experienced a heavy snow storm. After spending several hours making a huge snow fort, we decide to get some hand warmers to put in our gloves and go back outside. Explain how the hand warmers work.

When thermal energy is added to a substance the temperature ________________ and the motion of the particles is _______________.

Which state of matter does this picture show?

The law of conservation of mass says substances can neither be _______ nor ___________.

Sodium and chlorine combine to form sodium chloride, or table salt. Sodium and chlorine are:

When sodium and chlorine combine to form sodium chloride, sodium chloride is the:

4 grams of hydrogen and 32 grams of oxygen will combine to form:

Which of the following IS NOT an example of matter?