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Elena-2011 [213]
3 years ago
5

14 POINTS!! What is the atomic number of the first element to start filling an "f" sub-level?

Chemistry
2 answers:
emmasim [6.3K]3 years ago
7 0
<span>What is the atomic number of the first element to start filling an "f" sub-level?
the answer is 58.
I hope this helps :)</span>
Taya2010 [7]3 years ago
4 0
Your answer is 58 :-) hope this helps
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Number of
Sever21 [200]

Answer:1:En química, el número másico o número de masa es la suma del número de protones y el número de neutrones del núcleo de un átomo. Se simboliza con la letra A (el uso de esta letra proviene de alemán Atomgewicht, que quiere decir peso atómico, aunque sean conceptos distintos que no deben confundirse).

2:

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3 years ago
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ValentinkaMS [17]

Answer:

Ratio is 1:1

Explanation:

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6 0
3 years ago
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Margarita [4]
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8 0
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Which student is responses are correct?​
irga5000 [103]

Answer:

Neutrons: Electron cloud

Explanation:

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Explain the term "amphoteric"
Natali5045456 [20]
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