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3 years ago

What is the term called when it means to lacks properties of metal?

Chemistry

1 answer:

iVinArrow [24]3 years ago

6 0

Answer:

The used term is nonmetal.

Explanation:

Nonmetals are elements that are not shiny or are not good conductors of electricity or heat.

The periodic table has approximately 23 nonmetals in it.

In the periodic table, we can find elements. These ones could be nonmetal and metals.

The elements that lack metallic properties are the nonmetals.

Metals are good conductors of heat and electricity, like Cu or Fe.

Although, nonmetals are not good conductors.

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vladimir2022 [97]

Answer: $7.7\times 10^{22}$ molecules of $Ba(OH)_2$

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number $6.023\times 10^{23}$ of particles.

To calculate the moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}=\frac{21.9g}{171g/mol}=0.128moles$

1 mole of $Ba(OH)_2$ contains = $6.023\times 10^{23}$ molecules

0.128 mole of $Ba(OH)_2$ contains = $\frac{6.023\times 10^{23}}{1}\times 0.128=7.71\times 10^{22}$ molecules

Thus there are $7.7\times 10^{22}$ molecules of $Ba(OH)_2$

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3 years ago

Describe how greater distance affects the appearance of an object’s size and brightness

jeka94

Answer:

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Explanation:

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3 years ago

Which characteristic distinguishes an estuary form other bodies of water

Readme [11.4K]

An estuary is partly enclosed and forms a transition zone between rivers and oceans/ seas

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3 years ago

Complete the following equation of nuclear transmutation.

LiRa [457]

Answer:

Option A. 1 0n

Explanation:

Details on how to balanced the equation for the reaction given in the question above can be found in the attached photo.

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4 years ago

Carbon-12 and carbon-13 are isotopes of carbon.

ohaa [14]

Answer:

Isotopes of an element share the same number of protons but have different numbers of neutrons. Let's use carbon as an example. There are three isotopes of carbon found in nature – carbon-12, carbon-13, and carbon-14. All three have six protons, but their neutron numbers - 6, 7, and 8, respectively - all differ.

Explanation:

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3 years ago

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