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iren2701 [21]
2 years ago
9

What is the most reactable element in periodic table​

Chemistry
2 answers:
Olenka [21]2 years ago
7 0

The sodium metal is the most reactive element in the periodic table.

<h3 /><h3>What is alkali metals?</h3>

Alkali metals are metals found in the group of 1 of the periodic table.

Examples of metals found in group 1 in decreasing order of reactivity;

  • Sodium
  • Potassium
  • Lithium

The most reactive element in periodic table​ is found in the group 1 of the periodic table and this element is sodium.

Thus, sodium metal is the most reactive element in the periodic table.

Learn more about reactivity of elements here: brainly.com/question/2029679

nadya68 [22]2 years ago
3 0

Answer:

sodium

Explanation:

Mark me as a brain list pls

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A car travels 10km in 10 min so what is the average
ipn [44]
Average speed in km/h:

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T = 10/60 hrs
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S = 10 / 0.1667
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HELP ME PLEASE (brainliest)
Aloiza [94]

Answer: i would say D or the last one.

Explanation: According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants. The law of conservation of mass is useful for a number of calculations and can be used to solve for unknown masses, such the amount of gas consumed or produced during a reaction.

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7 0
2 years ago
What is the volume of 2.10 moles of chlorine gas (Cl2) at 273 K and 1.00 atm?
Rasek [7]
Ideal gas law:
PV=nRT    ⇒  V=nRT / P
P=pressure=1 atm
V=volume
n=number moles=2.10 moles
R=0,082 Atm l/ºK mol
T=temperature=273 K

V=(2.10 moles*0.082 (atm l)/º(K mol)*237ºK)  / 1 atm=47.01 litres

47.1 L
5 0
3 years ago
When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find
I am Lyosha [343]
<h3>Answer:</h3>

Balanced equation: 4Fe + 3O₂ → 2Fe₂O₃

Moles of oxygen gas = 9 moles

<h3>Explanation:</h3>

To answer the question;

  • We first write the balanced equation between iron metal and Oxygen
  • The balanced equation is given as;

4Fe + 3O₂ → 2Fe₂O₃

  • We are given 6 moles of Fe₂O₃

We are required to determine the number of moles of oxygen needed to form 6 moles of Fe₂O₃.

  • From the equation, 3 moles of oxygen gas reacts to produce 2 moles of Fe₂O₃
  • This means, the mole ratio of O₂ to Fe₂O₃ is 3 : 2

Therefore; Moles of O₂ = Moles of Fe₂O₃ × 3/2

Hence, moles of oxygen = 6 moles × 3/2

                                         = 9 moles

Thus, Moles of Oxygen needed is 9 moles

6 0
3 years ago
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