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Elis [28]
3 years ago
9

A pure substance composed of only one type of atom; cannot be broken down into another substance by physical or chemical means.

Chemistry
1 answer:
Allisa [31]3 years ago
6 0
ELEMENT: A substance<span> that </span>cannot<span> be decomposed (</span>broken down<span>) </span>into<span> simpler </span>substances<span> by ordinary </span>chemical means<span>. Examples: gold, iron, carbon, hydrogen, oxygen, nitrogen.</span>
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Drag each tile to the correct box.
ElenaW [278]

Explanation:

Wind turbines generate electricity by following simple principle. Moving wind transfers energy to the to the blades of the wind mill which results in spinning of the blades. These blades are connected to internal shaft which also starts spinning. This spinning of shaft generates electricity which is further distributed to electrical substations to provide electricity to homes and businesses.

Step 1: Wind moves the blades of the turbine.

Step 2: Internal shaft spins

Step 3: Generator produces electricity

Step 4: Distribution lines carry electricity to substation

7 0
3 years ago
Which element can join with other elements to form covalent bonds? beryllium (Be) carbon (C) cesium (Cs) iron (Fe)
Rainbow [258]

Answer:

Carbon (C)

Explanation:

Carbon is the only nonmetal there and covalent bonds happen between two nonmetal atoms

4 0
3 years ago
Read 2 more answers
1. How many moles of hydrogen are needed to completely react with two moles of nitrogen?
Arlecino [84]

N2 + 3H2  -->  2NH3

Answer: 6 moles of hydrogen are needed to react with two moles of nitrogen.

Explanation:

4 0
2 years ago
Can somebody help and answer which ones are connected to each other. Correctly!
igor_vitrenko [27]

nuclear power--used to turn turbines...

fossil fuels--burned to provide energy that is....

renewable energy--energy that with come back after use

outlet--a device....

steam--nuclear reactors....

I'm not sure but I tried lol,lemme know if I'm wrong :D

3 0
3 years ago
limestone breaks down when heated to form quicklime and carbon dioxide. what type of reaction is this?
Trava [24]
No chemical because, its changeing the stuff 
7 0
3 years ago
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