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Natali [406]
3 years ago
10

Which statement describes the relative energy of the electrons in the shells of a calcium atom?

Chemistry
1 answer:
Zina [86]3 years ago
7 0
The answer is (3) An electron in the third shell has more energy than an electron in the second shell. The energy of electron will increase when number of shell increase.
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How many of each component are shown in the diagram? Check all that apply. one battery two switches two batteries two resistors
VikaD [51]
<h3>In reference to the diagram attached </h3><h3>Answer:</h3>

one battery, two switches, and three light bulbs

Explanation:

  • A circuit is an arrangement that shows the flow of electrons from a current source such as a battery.
  • The diagram shows a circuit that contains one battery, two switches, and three light bulbs.
  • The switches serves to close the circuit when necessary.
  • The battery supplies current to the circuit.
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8 0
3 years ago
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Which reflects more energy, the atmosphere and clouds or the surface?
LenKa [72]

Answer:

the surface

Explanation:

n/a

8 0
3 years ago
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If 335 g water at 35.5C loses 5750 J of heat, what is the final temperature of the water?
White raven [17]

Answer:

The final temperature is  39.58 degree Celsius

Explanation:

As we know

Q = m * c * change in temperature

Specific heat of water (c) = 4.2 joules per gram per Celsius degree

Substituting the given values we get  -

5750 = 335 * 4.2 * (X - 35.5)

X = 39.58 degree Celsius

3 0
3 years ago
What is the number of orbitals in an atom of radon
yan [13]
86 elections so 43 orbitals
6 0
3 years ago
What is the molarity of a 250.0 milliliter aqueous solution of sodium hydroxide that contains 15.5 grams of solute? 6.2 M
Alchen [17]
Moles = 15.5 g / 40 g/mol = 0.3875 mol

M = 0.3875 mol / 0.250 L = 1.55M
8 0
3 years ago
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