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djverab [1.8K]
3 years ago
10

What is the ground state electron configuration for magnesium?

Chemistry
1 answer:
Stella [2.4K]3 years ago
5 0
Magnesium :

<span>[Ne] 3s²</span>

Answer A

hope this helps!

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What mass of glucose would you need (in g) to have 0.8 mol, given that the molar mass of glucose is 180 g mol-1?
Verizon [17]
<h3>Answer: 144 g</h3>

Explanation:

  Mass of glucose = moles × molar mass

∴ Mass of glucose = 0.8 mol × 180 g mol⁻¹

                               =  144 g

∴ the mass of glucose you need to have 0.8 mol of glucose = 144 g

5 0
2 years ago
What is the deference between dalton theory and modern atomic theory​
Fiesta28 [93]

Answer:

Dalton's says atoms of different elements differ in size and mass, whereas the modern theory says they differ in average mass. Dalton's says atoms are individual particles, whereas the modern theory says atoms are divisible into subatomic particles like protons, neutrons, and electrons..

Explanation:

HOPES  ITS HELPFUL FOR U IF YES PLZ MARK ME AS BRILLIANT PLZ DUDE PLZ I NEED IT

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2 years ago
True or False: If you have 2 moles of water and 2 moles of carbon, you have the same number of molecules.
nikklg [1K]
True.
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8 0
3 years ago
Read 2 more answers
How does the electron configuration of elements within the same group compare? (A.) They all have their valence electrons in the
lesya [120]

Answer:

B.They all have their valence electrons in the same type of subshell

Explanation:

  • The electron configurations of elements in the same group (column) of the periodic table have them in the same type of subshell.
  • But the subshells may be of different shells. Thus , the energies of them need not be the same.
  • For example , The Alkalai Metals are found in the first column of the periodic table Group IA. This set of elements all have valence electrons in only the 's' orbital and because they are in the first column they all have s^{1} configuration. i.e,
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  2. Li 1s^2 2s^1
  3. Na 1s^2 2s^2 2p^6 3s^1
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3 years ago
No I don’t have a question
Nikitich [7]

Answer:

then why'd you ask a question

Explanation:

3 0
2 years ago
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