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- 1. Multiple Choice
Which describes a property of all elements?
All elements are metals.
All elements have six electrons.
All elements exist in the solid phase.
All elements are pure substances.
- 2. Multiple Choice
Aluminum is an element. Which of the following best describes the smallest particle of aluminum that retains all the properties of aluminum?
a molecule
a proton
an atom
an electron
- 3. Multiple Choice
A student put 200 milliliters (mL) of water into a pot, sets the pot on a burner, and heats the water to boil. When the pot is taken off the burner, it contains only 180 milliliters (mL) of water. What happened to the rest of the water?
It condensed.
It turned into water vapor.
It was absorbed by the heat.
It was used up.
- 4. Multiple Choice
The ice cubes in a freezer are melting. Which change most likely is causing the ice cubes to melt?
a decrease in the mass of the ice cubes
an increase in the mass of the ice cubes
an increase in the temperature inside the freezer
a decrease in the temperature inside the freezer
- 5. Multiple Choice
Appearance, texture, and density are classified as
physical properties
chemical properties
magnetic properties.
thermal properties
- 6. Multiple Choice
Define Atom
a unit of matter, the smallest unit of an element that has all the characteristics of that element
describes forces acting on an object that cancel each other
smallest, basic unit of structure and function in a living thing; building block of life.
process in which particles of a liquid change to gas, travel to the surface of the liquid and then into the air.
- 7. Multiple Choice
Matter is anything that has ___________ and takes up _____________.
weight and mass
weight and space
mass and space
volume and space
- 8. Multiple Choice
What consist of two or more different atoms?
atom
compound
molecule
element
- 9. Multiple Choice
What is a molecule?
pure chemical substance
The ability to dissolve in a solvent
a unit of matter, the smallest unit of an element
two or more atoms that are held together by a chemical bond
- 10. Multiple Choice
What type of charge does an electron have?
positive
negative
neutral
none
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