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Allisa [31]
3 years ago
6

1 point

Chemistry
1 answer:
Genrish500 [490]3 years ago
5 0
With an electronegativity of 0.89, Barium requires the least amount of energy to remove its valence electrons.
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liberstina [14]
The universe comes into existence is first
The first neutral atoms form is second
The universe begins expanding is third
Gases form that will later go to shape stars and galaxies is fourth
Atomic nuclei form is last

I'm almost certain that is correct. Do not take my word for this.
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yawa3891 [41]

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Carbon has an atomic number of 6. This means it has 6 protons and 6 electrons. How many valence electrons does carbon have?
Varvara68 [4.7K]

Answer:

4

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please help!!!!!! What is the mass of 1 mole of magnesium (Mg)? Express your answer to four significant figures. The mass of 1 m
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I believe you just look at your periodic table for this value. I don't think there is any math involved.
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