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trapecia [35]
4 years ago
15

Which statement describes how the binary ionic compound CaCl2 is named? The nonmetal is named first, and the ending is replaced

with -ide. The metal is named first, and the ending is replaced with -ide. The nonmetal is named second, and the ending is replaced with -ide. The metal is named second, and the ending is replaced with -ide.
Chemistry
2 answers:
Basile [38]4 years ago
6 0

Answer:

C on edge 2020

Explanation:

I took the test and got it right, hope this helps:)

Tems11 [23]4 years ago
3 0

Answer:

Option C: The nonmetal is named second, and the ending is replaced with -ide.

Explanation:

Just took test on Edge

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4 years ago
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How many grams of magnesium are needed to completely react
Verizon [17]

97.22 grams of magnesium is needed.

<u>Explanation:</u>

The molar ratio of Mg to O2  to make MgO is 2:1

Here, we have 2 moles of O2, therefore we need 4 moles of Mg.

1 mol of Mg = 24.305 g

Therefore

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3 years ago
Escribe la configuración electrónica de los elementos que poseen, ¿de qué elementos se trata?: 15 electrones 27 electrones 56 el
allsm [11]

Answer:

15 electrones: 1S²2S²2P⁶3S²3P³. Fósforo

27 electrones: 1S²2S²2P⁶3S²3P⁶4S²3d⁷ - Cobalto.

56 electrones: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s² - Bario

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Explanation:

Para llenar los orbitales electrónicos de los distintos átomos debemos hacer uso de la regla de llenado electrónico de Aufbau. Por ejemplo, para el átomo con 15 electrones, la configuración electrónica es:

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