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Elodia [21]
3 years ago
10

• Briefly discuss the cause of errors in the measurements

Chemistry
1 answer:
rewona [7]3 years ago
4 0
(also called Observational Error) is the difference between a measured quantity and its true value. It includes random error
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What is the concentration of a solution?​
Nimfa-mama [501]

The concentration of a substance is the quantity of solute present in a given quantity of solution.

8 0
3 years ago
Use the periodic table to select the element that best fits each of the following descriptions. which element below has properti
xenn [34]

Answer: Boron is the element which has properties of both metals and nonmetals.

Explanation:

Metals are defined as the elements which loose electrons to attain stable electronic configuration. They attain positive charge and form cation. Example: Zinc (Zn), Aluminium (Al) , copper (Cu)

Non-metals are defined as the elements which gain electrons to attain stable electronic configuration. They attain negative charge and form anion. Example: Chlorine (Cl) , Sulphur (S)

Metalloids are defined as the elements which show properties of both metals and non-metals. There are 7 metalloids in the periodic table. They are Boron (B) , Silicon (Si) , Germanium (Ge) , Arsenic (As) ,  Antimony (Sb), Tellurium (Te) and Polonium (Po).

Thus boron is the element which has properties of both metals and nonmetals.

7 0
3 years ago
Read 2 more answers
A neutral atom with the electron configuration 2-8-6 would most likely form a bond with an atom having the configuration
Fittoniya [83]

Answer:

The configuration of the atom would be 2-8-2.

Explanation:

Any atom of an element combines with other element to complete its octet and become stable.

The electron configuration of the given atom is 2-8-6. That means the atom has 6 electrons in its outermost shell. To become stable the atom should have 8 electrons in its outermost shell. The given atom has 6 electrons so it either lose 6 electrons or gain 2 electrons to complete its octet.

But we know the atom having 5,6,7 electrons in its outermost shell they do not lose, they gain either 3 or 2 or 1 electrons to complete its octet.

So we say that atom with the electron configuration 2-8-6 bond with the atom having electron configuration 2-8-2.

8 0
3 years ago
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balandron [24]

I think it is called a loess. Please correct me if I am wrong.

4 0
3 years ago
A reaction is spontaneous if ΔG is ___?<br> negative, positive, or zero?
amm1812

Answer:

A reaction is spontaneous if ΔG is negative.

Explanation:

  • The change in free energy (ΔG) is the difference between the heat released during a process and the heat released for the same process occurring in a reversible manner.

  • The sign of ΔG gives an indication for the spontaneity of the reaction:

If ΔG is negative, the reaction is spontaneous.

If ΔG = zero, the reaction is at equilibrium.

If ΔG is positive, the reaction is non-spontaneous.

3 0
3 years ago
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