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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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What happens immediately before a volcano erupts?
Firdavs [7]
Well, the cause of a volcanic eruption is when the lower crust melts. This leads to the formation of magma. The volcano is an opening through which the magma is discharged. The rock inside the earth melts. This magma is diffused upwards through the volcano. If magma reaches the top of the volcano, it behaviour depends on viscosity. So what happens before a volcanic eruption is that the lower crust melts, causing the formation of magma, which is released through the volcano. Hope i helped. 
3 0
3 years ago
How many grams of O2 are needed to react with 18.2 g of NH3?
erastova [34]

Answer:

44 g oxygen are needed.

Explanation:

Given data:

Mass of oxygen needed = ?

Mass of ammonia = 18.2 g

Solution:

Chemical equation:

4NH₃ + 5O₂   →  4NO + 6H₂O

Now we will calculate the number of moles of ammonia:

Number of moles = mass/molar mass

Number of moles = 18.2 g/ 17 g/mol

Number of moles = 1.1 mol

Now we will compare the moles of ammonia with oxygen from balance chemical equation.

                        NH₃              :                O₂

                          4                 :                 5

                          1.1                :              5/4×1.1 = 1.375 mol

Mass of oxygen needed:

Mass = number of moles × molar mass

Mass = 1.375 mol × 32 g/mol

Mass = 44 g

4 0
3 years ago
Match each word with the correct definition. 1. to have an effect on someone or something technology 2. practical application of
Nastasia [14]

Answer:

2.

Explanation:

This  should  be right hopefully it is!

3 0
3 years ago
______ will have a higher entropy than 50.0 g CO2 (g) at 56 oC.
Tomtit [17]
1) The more mass is the more entropy , because there are more particles, there is disorder.
2) Than higher temperature --- the more entropy.
3) Gas has more disorder than liquid, so gas has more entropy.
So, correct answer is E.
5 0
2 years ago
___________refers to the amount of water vapor in the air.
ollegr [7]

Answer:

b humifity

Explanation:

4 0
3 years ago
Read 2 more answers
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