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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

You might be interested in
Is HCI an acid or a base?​
Gnom [1K]

Answer:

Strong Acid

Explanation:

Hope this helps! :)

5 0
1 year ago
Please help, I'll give brainiest
juin [17]

Solutes dissolve in solvents to form a solution. A saturated solution contains just as must solute as it can normally hold.

The solvent in the coffee solution is water and the rest of the chemicals dissolved in the solvent are called solutes. A solution is formed when a solute is dissolved in a solvent.

A saturated solution contains just as much solute as it can normally hold at a particular temperature while a supersaturated solution contains more solute than it can normally hold at a particular temperature.

A polar molecule contains covalent bonds between atoms having an electronegativity difference above 0.5. Such molecules are polar as electrons of the bond are drawn closer to the atom that is more electronegative.

According to Avogadro's law; 6.02 × 10^23 particles is referred to as one mole of particles.

A strong acid has a pH that may range from 0 - 3. A strong base has a pH of around 10 - 14. Water is a neutral substance and has a pH of 7.

From the information provided;

Number of moles of acid = 0.002 moles

Volume of solution=  2 L

Concentration of solution = number of moles/volume = 0.002 moles/2L = 0.001 M

pH = - log[H^+]

pH = - log[0.001 ]

pH = 3

From;

pH + pOH = 14

pOH = 14 - pH

pOH = 14 - 8.5

pOH = 5.5

pOH = - log[OH^-]

[OH^-] = Antilog[-5.5]

[OH^-] = 3.2 × 10^-6 M

Learn more: brainly.com/question/10609459

4 0
2 years ago
During which moon phrase do spring tides occur
Oduvanchick [21]
Spring tides occur during the full moon and the new moon
5 0
3 years ago
The concentration of Pb²⁺ in a sample of wastewater is to be determined by using gravimetric analysis. To a 100.0-mL sample of t
svetoff [14.1K]

Answer:

0.005404 M

Explanation:

Pb^{2+}(aq) + Na_{2}CO_{3}(aq) ---> PbCO_{3}(s) + 2Na^{+}(aq)

Since you added an excess of sodium carbonate you warrantied that all the Pb^{+2} in the sample reacted with it. So we can say that the insoluble lead (II) carbonate PbCO_{3} contains all the Pb^{+2} ions in the original sample.  

The moles of PbCO_{3} are:

moles-of-PbCO_{3}=\frac{mass-of-PbCO_{3}}{Molecular-weight-of- PbCO_{3}}=\frac{0.1443g}{267\frac{g}{mol}}=0.00054 mol

One mol of Pb^{+2} is required to form one mol of PbCO_{3}. So, the stoichiometric relationship between them is 1:1.

Pb^{+2} +CO_{3}^{-2} - - - > PbCO_{3}

Knowing this, 0.00054 is also the number of moles of Pb^{+2} in the original sample.  

So, the concentration of Pb^{+2} in the original sample is:

M = \frac{mol-of-Pb^{+2}}{volume-wastewater-(liters)}=\frac{0.00054}{0.1L}=0.005404 M

8 0
3 years ago
#h)<br> what is 569.8 rounded to 3 significant digits?
son4ous [18]

Answer:

570

Explanation:

569.8's nearest number is 570 because "9.8" is closest to the whole number.

4 0
2 years ago
Read 2 more answers
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