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Aliun [14]
3 years ago
6

Which of the following would not have the same number of valence electrons as the others?

Chemistry
2 answers:
Luba_88 [7]3 years ago
8 0

Answer:

Carbon

Explanation:

Carbon has 4 valence electrons while the other ones have 6.

I appreciate it if you could mark me as Brainliest!

Fantom [35]3 years ago
5 0

carbon won't have same number of valence electrons as others

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How many chloride ions are in a 220 grams of calcium chloride?
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Answer: Hello, There! Your Answer is Below

2.4 x 1024 ions

Explanation:

220 g of CaCl₂  =  X moles

Solving for X,

                                                X  =  (220 g × 1 mol) ÷ 110.98 g

                                                X  =  1.98 moles

As,

                          1 mole contained  =  1.20 × 10²⁴ Cl⁻ Ions

Then,

                   1.98 mole will contain  =  X Cl⁻ Ions

Solving for X,

                                                 X  =  (1.98 mol × 1.20 × 10²⁴ Ions) ÷ 1mol

                                                 X  =  2.38 × 10²⁴ Cl⁻ Ions

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3 0
2 years ago
Identify two sources of heat that melt rocks beneath Earth's surface.
elena55 [62]

Answer:

magma, melting

8 0
2 years ago
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soldier1979 [14.2K]

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a

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4 0
2 years ago
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Complete this sentence. If mass remains the same while the volume of a substance ________, the density of the substance will____
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Answer:

B. Increases, Decreases

Explanation:

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4 0
3 years ago
How many seconds would it take to deposit 17.3 g of ag (atomic mass = 107.87) from a solution of agno3 using a current of 10.00
Brums [2.3K]
Data Given:

Time = t = ?

Current = I = 10 A

Faradays Constant = F = 96500

Chemical equivalent = e = 107.86/1 = 107.86 g

Amount Deposited = W = 17.3 g

Solution:
             According to Faraday's Law,

                                          W  =  I t e / F

Solving for t,

                                          t  =  W F / I e
Putting values,
                                          t  =  (17.3 g × 96500) ÷ (10 A × 107.86 g)

                                          t  =  1547.79 s

                                          t  = 1.54 × 10³ s
5 0
2 years ago
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