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leva [86]
3 years ago
10

How do the periodic trends in metallic character compare to those for ionization energy? How do the periodic trends in metallic

character compare to those for ionization energy? Metals tend to have higher ionization energies than nonmetals. Metals tend to have lower ionization energies than nonmetals. Metals and nonmetals tend to have the same ionization energies.

Chemistry
1 answer:
Inessa05 [86]3 years ago
4 0

Answer:

Metals tend to have lower ionization energies than nonmetals.

Explanation:

Hello,

Consider the attached picture about periodic trends because it illustrates how ionization energies increase or decrease. As you can see, the higher the metallic character, the lower the ionization energy, thus, metals tend to have lower ionization energies than nonmetals.

Best regards.

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Explain, in terms of subatomic particles, why atoms of H-1, H-2, and H-3 are each electrically neutral.
jasenka [17]

The atoms are all electrically neutral because the number of protons is equal to the number of electrons.

<h3>What is electrical neutrality?</h3>

An atom is electrically neutral when the number of protons is equal to the number of electrons.

In the cases of H-1, H-2, and H-3, the nuclides have one electron an one proton. The different mass numbers arise from differences in the number of neutrons. Hence in all cases, the nuclides are electrically neutral.

Learn more about neutral atoms:brainly.com/question/5308494

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2 years ago
19. Which of the following chemical equations represents
Lesechka [4]

Answer:

  • C₃H₈ (g) + 5O₂(g) → 3CO₂ (g) + 4H₂O (l)

(option D. with the proviso that the subscripts of propane's chemical formula must be corrected)

Explanation:

<em>Propane</em> is the saturated hydrocarbon, alkane, with chemical formula C₃H₈ or CH₃CH₂CH₃.

The complete combustion of the hydrocarbons yield carbon dioxide (CO₂) and water (H₂O).

The chemical equation that represents this combustion is:

  • C₃H₈ (g) + O₂(g) → CO₂ (g) + H₂O (l) (skeleton equation: unbalanced)

Once you balance it, you get:

  • C₃H₈ (g) + 5O₂(g) → 3CO₂ (g) + 4H₂O (l)

        Left side           Right side

C         3                          3

H         8                          4×2 = 8

O        5×2 = 10               3×2 + 4 = 10

That equation corresponds to the option D. of the list, with the proviso that the subscripts of propane's chemical formula must be corrected

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Explanation:

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