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Scorpion4ik [409]
3 years ago
15

Find the area given rectangle.

Chemistry
1 answer:
seraphim [82]3 years ago
3 0

Answer:

The perimeter of a Rectangle P= 2(l + b)

Area of a Rectangle A = l × b

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For metals, reactivity _____ as you go from _____ in a period.
ki77a [65]

Reactivity - Reactivity refers to how likely or vigorously an atom is to react with other substances. This is usually determined by how easily electrons can be removed (ionization energy) and how badly they want to take other atom's electrons (electronegativity) because it is the transfer/interaction of electrons that is the basis of chemical reactions.  

Metals  

Period - reactivity decreases as you go from left to right across a period.  

Group - reactivity increases as you go down a group  

Why? The farther to the left and down the periodic chart you go, the easier it is for electrons to be given or taken away, resulting in higher reactivity.  

Non-metals  

Period - reactivity increases as you go from the left to the right across a period.  

Group - reactivity decreases as you go down the group.  

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8 0
3 years ago
Which statement is true of a rock layer that had another rock layer deposited on top of it?​
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Answer:

second rock...I know it

6 0
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Sediments are almost always deposited in flat layers. Does it appear that forces in the Earth affected the rock layers in this r
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I think so but what region do you live in
4 0
3 years ago
Critique you overhear someone say,I'm going to nuke it when referring to cooking food in a microwave oven. Explain why this term
Neporo4naja [7]
When the person said"nuke it" they are not referring to what they are going to nuke. That is why it is incorrect.

4 0
3 years ago
Help
Galina-37 [17]

Answer:

Relative humidity

Explanation:

A psychrometer measures the relative humidity in the atmosphere with the help of two thermometers:

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2) A wet bulb thermometer:

It  measures temperature by having the bulb dipped in a liquid.

8 0
3 years ago
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