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Whitepunk [10]
3 years ago
7

What makes the Noble Gases the least reactive elements on the periodic table?

Chemistry
2 answers:
Zolol [24]3 years ago
7 0
The answer is the letter C
Shkiper50 [21]3 years ago
6 0

Answer:

C

Noble gases are the least reactive of all elements. That's because they have eight valence electrons, which fill their outer energy level. This is the most stable arrangement of electrons, so noble gases rarely react with other elements and form compounds. The noble gases are the least reactive of any elements on the periodic table.All of the elements in Group Zero are noble gases. The list includes helium, neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). They are also called inert gases because they do not react with other elements of periodic table. The reason behind their inertness is that their outermost shell is complete and they do not have the tendency to lose or gain electrons.

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8 0
3 years ago
If the specific heat of a material is 0.416 J/(g°C) and sample absorbs 50 J when it is heated from 30°C to 50°C what is the mass
ololo11 [35]

The mass of the sample of the material is 0.1664 g.

<h3 /><h3>What is specific heat?</h3>

The amount of energy needed to raise the temperature of one gram of a substance by one degree Celsius.

By the formula of specific heat

Q = mc \Delta T

Given, that the specific heat (c) of material is 0.416 J/gC

The difference in temperatures is 30°C to 50°C

The mass=?

Q = heat, 50 J

Putting the values in the equation

\rm 50\;J = m \times 0.416 J/g^\circ C \times (50 - 30)\\\\m = \dfrac{0.416 J/g^\circ C \times 20}{50} = 0.1664 g

Thus, the mass of the samples is 0.166 g.

Learn more about specific heat

brainly.com/question/11297584

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5 0
2 years ago
Why are experimental investigations the best type of
vladimir2022 [97]

Answer:

Experimental investigations are the best type of scientific research to demonstrate the relationships between cause and effect because they allow the investigator to actively manipulate variables and control conditions. This change can be measured to gather evidence to back up or refute the relationship between cause and effect.

5 0
4 years ago
Read 2 more answers
What is the name of the particle made up of 2 protons and 2 neutrons?
barxatty [35]

Answer: It’s called a alpha particle

Explanation:

8 0
3 years ago
Question 1: Would dissolving sugar into a cup of coffee be considered a physical or chemical change? Explain.
Kryger [21]

Answer:

chemical

Explanation:

becuase the sugar disolves into the coffe.

sorry if its wrong :)

7 0
3 years ago
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