Metals Answers

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64043

Question text not available

Answer not available
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Question text not available

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64045

Which image shows a metal?

A
[Image: A dull grey mineral....]
Option A
B
[Image: A shiny golden mineral....]
Option B
C
[Image: A dull green crystalline mineral....]
Option C
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luster✔ electrical conductivityductility

A
luster
B
electrical conductivity
C
ductility
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conductivelustrous✔ ductile

A
conductive
B
lustrous
C
ductile
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alkali metalalkaline earth metal✔ transition metal

A
alkali metal
B
alkaline earth metal
C
transition metal
64054

✔ alkali metalalkaline earth metaltransition metal

A
alkali metal
B
alkaline earth metal
C
transition metal
64055

alkali metalalkaline earth metal✔ transition metal

A
alkali metal
B
alkaline earth metal
C
transition metal
64056

alkali metal✔ alkaline earth metaltransition metal

A
alkali metal
B
alkaline earth metal
C
transition metal
64057

alkali metal✔ alkaline earth metaltransition metal

A
alkali metal
B
alkaline earth metal
C
transition metal
64084

Marie discovers boxes of elements in a storage room. The boxes do not say which elements they contain, but they do have information about their locations on the periodic table. What kind of information would allow Marie to determine which boxes contain the most reactive elements?

Answer:

The reactivity of metals increases as you move left in a period and as you move down in a group, so Marie needs to know the period and group of the element inside each box. Boxes that show locations in groups 1 or 2 or in period 7 contain the most reactive elements.

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What did you include in your response? Check all that apply.

A
The reactivity of metals increases as you move left in a period.
B
The reactivity of metals increases as you move down in a group.
C
Groups 1 and 2 have the highest reactivity among metallic groups.
D
Period 7 has the most reactive metals.

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