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Vikki [24]
3 years ago
9

List three ways that energy can be added to an atom.

Chemistry
1 answer:
lisabon 2012 [21]3 years ago
8 0

Answer:

There are two ways in which an electron can be excited enough to move to a higher shell and higher energy state.

Absorption of Photons. An element's electron can absorb a light photon to enter a higher energy state. ...

Collisions. ...

Collisions Variables. ...

Importance.

Explanation:

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Why should scientists be able to replicate an investigation?
Ivenika [448]

Answer:

C

Explanation:

It is also better so scientists know that the data is accurate and that the results will be reliable. If an investigation is replicable, somebody else can use it. In order for others to achieve the same results scientists also have to be able to collect the same data ...

6 0
4 years ago
What are the reactants in a neutralization reaction? two elements an acid and a base an element and a compound a salt and water
Vitek1552 [10]

ok thank you for elaborating and you are correct in a neutralization reaction the reactants are the acid and base. the salt and water would be the product and the two elements could be anything meaning that it is most likely a mixture

Hope this helps

5 0
3 years ago
Read 2 more answers
How many grams nano3 add to 500g of h20 prepare solution .5 molal nano3?
Scilla [17]
Answer is: mass of sodium nitrate is 21,25 g.
m(H₂O) = 500 g · 1 kg/1000 g = 0,5 kg.
b(solution) = 0,500 m = 0,500 mol/kg.
m(NaNO₃) = ?
b(solution) = n(NaNO₃) ÷ m(H₂O).
n(NaNO₃) = 0,500 mol/kg · 0,5 kg.
n(NaNO₃) = 0,25 mol.
m(NaNO₃) = n(NaNO₃) · M(NaNO₃).
m(NaNO₃) = 0,25 mol · 85 g/mol.
m(NaNO₃) = 21,25 g.
8 0
4 years ago
Ducks and geese have small, fluffy feathers called "down."
Vaselesa [24]

Answer:

it helps them fly (A)

Explanation:

6 0
3 years ago
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Why does warm water move faster than cold water?
AURORKA [14]

Answer:

ebcuase

Explanation:

4 0
3 years ago
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