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3 years ago

The valence electrons in metals _____.

Chemistry

1 answer:

Ugo [173]3 years ago

4 0

The valence electrons in metals are attracted to the metal ions

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Materials with_____ bonds tend to be more easily scratched

iren [92.7K]

Materials with ionic bonds tend to be more easily scratched.

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4 years ago

7. A square chunk of plastic has a length of 5 cm, width of 5 cm and height of 5 cm. It has a mass of 200 g. What is its density

BaLLatris [955]

Answer:

$d=1.6\ g/cm^3$

Explanation:

Given that,

The dimension of a square chunk of plastic is 5 cm × 5 cm × 5 cm

Mass, m = 200 g

We need to find its density

Density = mass/volume

It will form a cube. It volume = side³

So,

$d=\dfrac{200\ g}{5^3\ cm^3}\\\\d=1.6\ g/cm^3$

Hence density is $1.6\ g/cm^3$

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4 years ago

Methane (CH4) is well-known as the key to reduce global warming. Why is that? How CO2 and methane are related anyhow to the glob

Zina [86]

Methane gas is the key element of Natural gas.
Natural gas is the Environment saver
It stops air pollution.
On the other hand CO2 is an air pollutant.
The Carbon dioxide is a key facter of Environment corrosion

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3 years ago

Read 2 more answers

What do chemical compounds want to obey?

Lerok [7]

Answer:

Their atoms obey the octet rule

Explanation:

Chemical compounds are formed when atoms combine with one another in order to comply with the octet rule. The octet configuration gives an atom stability in electronic structure.

When atoms become isoelectronic with noble gases, it confers a special stability on them.
Therefore, to attain this state, they gain or lose electron or share their electrons with other species.

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3 years ago

Sulfonation of naphthalene, C10H8, results in two products. One product is kinetically favored and predominates in the beginning

Marrrta [24]

Explanation:

The sulfonation of the naphthalene yield 2 products under different conditions:

<u>When the reaction is carried at 80 °C, 1-naphthalenesulfonic acid is the major product because it is kinetically favoured product as arenium ion formed in the transition state corresponding to 1-naphthalenesulfonic acid is more stable due to better resonance stabilization. </u>

<u>When the reaction is carried at 160 °C, 2-naphthalenesulfonic acid is the major product as it is more stable than 1-naphthalenesulfonic acid because of steric interaction of the sulfonic acid group in 1-position and the hydrogen in 8-position.</u>

The products are shown in image below.

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4 years ago