B) The bonds strongly hold ions together, reducing the boiling point.
C) The bonds prevent ions from moving throughout the crystal, so a solid ionic compound is a poor conductor.
D) The bonds prevent electrons from moving throughout the crystal, so a solid ionic compound is a poor conductor.
Ionic bonds in ionic compounds result in a crystal lattice structure that prevents free movement of ions, making solid ionic compounds poor conductors of electricity. However, dissolved or melted ionic compounds can conduct electricity. Additionally, these strong bonds lead to high melting and boiling points for ionic compounds.
Ionic bonds greatly affect the properties of ionic compounds. Ionic bonds are formed when one atom donates an electron to another, resulting in charged ions that attract each other. Option C) and D) are both partly correct. Ionic bonds lock these ions in a crystal lattice structure which prevents free movement. This makes solid ionic compounds poor conductors of electricity. However, if these compounds are dissolved in water or melted (thus allowing ions to move freely), they can conduct electricity.
Moreover, ionic bonds are strong. As a result, it requires a lot of energy to break these bonds, leading to high melting and boiling points for ionic compounds, which eliminates options A) and B).
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(2) weak ionic bond
(3) strong intermolecular force
(4) weak intermolecular force
True
False
Answer:
Hi there, the answer is true
Explanation:
:D
Both are types of potential energy, and Involve stored energy.
Answer : The amount left after 20 minutes is, 0.592 grams.
Explanation :
Half-life of Bromine-85 = 3 min
First we have to calculate the rate constant, we use the formula :
Now we have to calculate the amount left after decay.
Expression for rate law for first order kinetics is given by:
where,
k = rate constant
t = time taken by sample = 20 min
a = initial amount of the reactant = 60 g
a - x = amount left after decay process = ?
Now put all the given values in above equation, we get
Therefore, the amount left after 20 minutes is, 0.592 grams.