Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Ms. Welch makes instant Lipton pomegranate tea. The water immediately turnd red. How do you know it is a solution? | The powder spread out evenly and made all of the water red.
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| Describe a suspension. | It is a mixture with visible particles that separates easily into layers.
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| Describe a colloid. | The substance is spread out evenly. It has midsized particles that can be seen under a microscope.
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| Give an example of a colloid | Milk, shaving cream, or clouds
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| Describe a mixture | Two or more different substances NOT chemically joined together.
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| Describe a compound. | Two or more substances that are CHEMICALLY joined together to make a new, unique, substance,
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| How are elements arranged on the periodic table? | By chemical property
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| What ordervare elements in on the periodic table? | By atomic number
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| What is the atomic number? | Number of protons in an element's nucleus.
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| What is the atomic mass? | The mass of protons and neutrons added together.
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| Name 4 properties of metals. | They conduct heat and electricity, they have luster and are shiny, they are malleable and can be rolled into sheets, they are ductile and can be pulled into wire.
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| What is ductility | Metal can be pulled into wire
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| What is luster? | Metal is shiny
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| What is malleability? | Metal can be hammered or rolled into sheets
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| What is conductivity? | Electricity and heat can move through metal.
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| What is a base? | A pH of 8-14 is a base.
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| What number is the most basic? | 14, the higher the number is the more basic it is. The number must be between 6-14.
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| What is an acid? | Think of sour things with a pH 0-6
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| What types of things are bases? | Soaps, drain cleaners
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| What is the pH of pure water? | 7, it isn't an acid or a base, it is neutral.
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| Recipes are often examples of what? | Mixtures
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| What are protons? | + positive particles in an atom's nucleus
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| What are electrons? | - negative particles floating around outside of the atom's nucleus
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| What are neutrons? | Neutral particles in an atom's nucleus
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| What part of the atom takes up the most volume, space? | Electrons
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| Where is an atom's nucleus? | In the center of the atom. It is surrounded by electrons.
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| Give an example of a solution | Instant tea, Tang, Koolaid, sugar in water, salt in water
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| If an acid and base are combined and they are exactly the same strength what happens? | A neutral solution is the result
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| When elements combine to form compounds what happens? | The elements join chemically to make a NEW substance with different properties
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| Soap and drain cleaner are examples of what? | Bases
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| What is something with a pH of 14 | A strong base
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| What is something with a pH of 0? | A strong acid
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Created by:
MsLWelch
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