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nikdorinn [45]
3 years ago
6

The ability to conduct electricity in the solid state is a characteristic of metallic bonding. This characteristic is best expla

ined by the presence of________.
Chemistry
1 answer:
telo118 [61]3 years ago
4 0

Answer:

The ability to conduct electricity in the solid state is a characteristic of metallic bonding. This characteristic is best explained by the presence of cations

Explanation:

First of all we should know what are the valence electrons. These are the ones that are  involved in the formation of chemical bonds  (for representative elements, blocks s and p)

A cation is an atom which has lost an electron (+ charge).

The metalic atoms lose all the valence electrons, as these atoms remain charged, that is why they are capable of conducting electricity.

For example:

K (s) →  K⁺  +  1e⁻

In the opposite side, the anions are formed when the non metallic elements win electrons to complete the octet rule.

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mote1985 [20]

Answer:

a. Help accomplish a job

Explanation:

Energy is defined as the ability to do work. It is the ability to get a job done.

Where energy is deficient, no job or work can be done.

  • In a water behind a dam, potential energy is stored.
  • Potential energy is due to the position of a body.
  • A moving car has kinetic energy which the energy due the motion of a body.
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7 0
3 years ago
Describe why chemical binding occurs. Give two examples of how bonds can form.
dsp73
<h2>What is chemical binding?</h2>

Chemical bonding helps to joining atoms or molecules together. It is also helps molecules of the same or different substance to get together through joining to each other . Solid , liquid, or gaseous matter can exist in the nature due to chemical bonding .

<h3>How Chemical bonds are formed?</h3>

Bonds form when atoms share or transfer valence electrons. Valence electrons are the electrons in the outer energy level of an atom that may be involved in chemical interactions. Valence electrons are the basis of all chemical bonds.

There are two primary kinds of chemical bonds that keep atoms together:

  1. Covalent
  2. Electrovalent/ionic bonds.

Covalent bonds have atoms which share electrons in a chemical bond.

Ionic bonds are formed by the of atoms that have opposite charges

  • Sodium chloride, or NaCl, is an example of an ionic bond.

  • Another example of an ionic bond is found in lithium fluoride (LiF). Lithium has one electron in its outer shell, and fluorine has seven electrons in its outer shell.

Read more about chemical bonding:

brainly.com/question/819068

8 0
2 years ago
Four properties of water are listed.
kobusy [5.1K]

Answer:

It reacts with metals to form metal hydroxide and hydrogen gas. it s an chemical property and it decomposes to H2 and O2 is also another chemical property property. because in these reaction H2O has changed to something else hence are called chemical property.

Explanation:

4 0
3 years ago
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Please help urgent !!! How does an instant cold pack get cold so quickly?
strojnjashka [21]
Answer: it has ice in it and that makes the things you use with the cold pack colder

4 0
3 years ago
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Calculate the mass in grams of 2.56 × 10 −3 mol of iron.
gizmo_the_mogwai [7]

Answer:

1.43 grams

Explanation:

Fe = 55.8 grams Fe = 1 mole Fe

2.56 • 10^-3 moles Fe / 1 • 55.8 grams Fe / 1 mole Fe = 1.43 grams Fe

Basically, you're just multiplying the molar mass of Fe (iron) by the moles of 2.56 • 10^-3 Fe, to find how many grams are in it.

2.56 • 10^-3 moles Fe = 1.43 grams Fe

5 0
2 years ago
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