Periodic trends review

What loses electrons in bonding?

• metal

• non-metal

• metaloid

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Which element is a halogen?

• Sodium (Na)

• Chlorine (Cl)

• Iron (Fe)

• Hydrogen (H)

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What makes a good semiconductor? Sometimes it conducts and sometimes it doesn't

• Metal

• Non-metal

• Metaloid

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Transition elements are ....?

• metals with unpredictable properties

• shiny metals

• dull non-metals

• gasses that do not react with anything

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The elements called "group 1" on the periodic table react with water. They become more reactive as we move down the periodic table. The name of this family is ?

• Noble gasses

• Halogens

• Alkali metals

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The noble gasses have......

• one valence electron

• 7 valence electrons

• a full outer energy level (valence electrons are full)

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You are designing a product that can be used in the rainforest or in a boat during a flood to start a fire, think about the reactivity of elements with water. Which element would work best?

• Neon, a noble gas

• Chlorine, a halogen gas

• Potassium, an alkali metal

• Hydrogen, the most simple element

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You just got your dream job at Google. You are in charge of the fire safety protocol for the server room. The old system had used carbon dioxide(CO2) but that is not good for the environment. What family from the periodic table would work best to replace carbon dioxide? Remember that it needs to be non-reactive.

• Noble gas

• alkali metal

• Halogen

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The classification of elements on a periodic table from the left to stair step are....?

• Metals

• Non-metals

• Metalloids

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Elements to the right of the green stair steps are ....?

• Metal

• Non-metal

• Metaloid

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