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Chapter 2: The Nature of Matter Study Guide
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Preguntas del test (16)
1What is the ability to dissolve in water and to conduct electricity ?
- Aphysical properties
- Bchemical properties
2Water is an example of ...
- Aan element
- Ba homogeneous mixture
- Ca compound
3When matter changes the most common form of energy released or absorbed is ELECTRICAL ENERGY
- AVerdadero
- BFalso
4New substances are always formed when matter undergoes a
- AChemical Change
- BPhysical Change
5Chemical energy is the energy
- Astored in the bonds between atoms
- Bof moving, electrically charged particles
6What is matter?
- Aanything that has mass but doesn't take up space
- Banything that has mass and takes up space
7What is a chemical property?
- Aproperties that change into different substances
- Bproperties that shange shapes and substances
8What is an element?
- Apure substances that cannot be broken down into other substances
- Bpure substances that are able to break down into other substances
- Csubstances that turn into compounds when combined
9What does the law of conservation of matter state.
- Amatter cannot be created or destroyed
- Bmatter cannot be created but it can be destroyed
- Cmatter can be created but it can't be truly destroyed
10What is an endothermic reaction?
- Achange in which heat is taken
- Bchange in which energy is taken
11What are the three ways that compounds and mixtures differ?
- AWhen elements are combined they form compounds having properties different from the uncombined elements each substance in a mixture has individual properties. Also, the parts of a mixture are not combined in a set ratio.
- BWhen elements are combined they form compounds having properties different from the uncombined elements each substance in a mixture has individual properties. Also, the parts of a mixture are combined in a set ratio.
12How does a physical change differ from a chemical change?
A physical change change in shape but is the same substance after the change. However the chemical change turns into a new substance.- AVerdadero
- BFalso
13How are changes in matter related to changes in energy?
Changes in matter are related to changes in energy because the substances change.- AVerdadero
- BFalso
14How do you know that the burning of candle wax is an exothermic change?
The burning of candle wax is an exothermic change because it produces carbon dioxide,water, and heat.- AVerdadero
- BFalso
15If two mixtures are mixed and the temp rises, did it absorb or release thermal energy?
It realeased thermal energy because the heat was let out and made the temperature rise.- AVerdadero
- BFalso
16What is the ratio of phosphorus atoms to oxygen atoms in the compound?
The ratio is two to four- AVerdadero
- BFalso
Información
- Descripción
- To study for upcoming tests
- Autor
- Watermelon 123
- Idioma
- English
- Visitas
- 44
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