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Alenkasestr [34]
3 years ago
7

What is an ionic bond? A. the attraction positive ions have for free electrons B. the force that holds the valence electrons to

the atom C. the attraction and bonding of ions with equal opposite charges D. the bonding of ions to the same element atoms of neutral charge
Chemistry
1 answer:
Olin [163]3 years ago
6 0
Ionic bond is a type of chemical bond that refers to the bonding of <span>oppositely charged ions (anions and cations) because of attraction and the </span>transfer of valence electron(s) between atoms. Cation is the metal that loses electrons and become a positively charged cation, and anions are the nonmetal that accepts those electrons to become a negatively charged anion.
According this explanation, an ionic bond is:
B. the force that holds the valence electrons to the atom


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a_sh-v [17]

Answer:

8.72 mol PbO₂

General Formulas and Concepts:

<u>Chemistry - Atomic Structure</u>

  • Using Dimensional Analysis
  • Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Explanation:

<u>Step 1: Define</u>

5.25 × 10²⁴ formula units PbO₂

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

<u />5.25 \cdot 10^{24} \ formula \ units \ PbO_2(\frac{1 \ mol \ PbO_2}{6.022 \cdot 10^{23} \ formula \ units \ PbO_2} ) = 8.71803 mol PbO₂

<u>Step 4: Check</u>

<em>We are given 3 sig figs. Follow sig fig rules and round.</em>

8.71803 mol PbO₂ ≈ 8.72 mol PbO₂

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