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Bumek [7]
3 years ago
10

TWO QUESTIONS FOR 9 POINTS!! SPAM WILL BE REPORTED DIRECTLY!!

Chemistry
1 answer:
nlexa [21]3 years ago
5 0
<span>Properties Shared by Metals and Metalloids:

1) Solid nature.
2) They both can form alloys

</span><span>Properties Shared by Metalloids and Nonmetals 

1) Non-metallic nature
2) Both have narrow band gaps in band structure

Hope this helps!</span>
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What is one way to test whether an unknown solution is acidic or basic?
sertanlavr [38]

Answer: There are several ways. The first that comes to mind is a pH meter. A pH electrode Is lowered into the solution, and (Assuming) the pH Meter has been properly calibrated, and the temperature of the solution is set to the calibration of the Meter, the pH can be read directly from an analogue scale or digital readout. Below 7 is acidic, 7 is Neutral, (like Pure Water), and over 7 is Alkaline, or Basic.

A useful, but less accurate method is the use of any number of “pH Indicator Solutions”, which are essentially a type of various colored dyes that change color within differing pH ranges. Usually, if the pH is unknown, a small amount of solution is removed from the container and tested separately - in a “well plate”, or similar method.

These types of dyes, or Indicator Solutions, can be dried upon strips of “pH indicator Paper”, which, depending upon the type can be very useful when carrying out more precisely arrived at pH tests like Titration.

Just to see if a solution is “Acid” or “Base”, Litmus paper is used; “a Red color shows Acidity, and a Blue color, a Base”; ergo, “An Acid Solution will turn Litmus Paper, Red”.

4 0
3 years ago
Ionic compounds are held together with ionic bonds between ions. The ions are formed when valence electrons are
Elza [17]

Answer: Electrovalent bonds are produced when electrons are transferred from atoms of one element to atoms of another element, producing positive and negative ions. The bond which is formed by the transfer of electrons between the atoms is called electrovalent bond or ionic bond. Electrovalent bonds are only formed between metals and non-metals. Electrovalent bonds are not formed between two non-metals.

In simple words electrovalent bond involves the transference of a certain number of electrons to another dissimilar atom which has a tendency to gain electrons so that both acquire stable inert gas configurations. The electrostatic attraction always tends to decrease the potential energy. Hence, the potential energy of the system is much less than it was before the formation of an ionic bond.

Explanation: An Ionic bond is the bond formed by the complete transfer of valence electron to attain stability.

This type of bonding leads to the formation of two oppositely charged ions – positive ion known as cations and negative ions are known as anions.

The presence of two oppositely charged ions results in a strong attractive force between them. This force is an ionic or electrovalent bond.

Ionic bonds form between atoms with large differences in electronegativity, whereas covalent bonds formed between atoms with smaller differences in electronegativity.

The compound formed by the electrostatic attraction of positive and negative ions is called an ionic compound.

5 0
3 years ago
Where do humans get nitrogen from?
Fantom [35]
All humans get nitrogen from the atmosphere
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7 0
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Imagine a made-up pol
zheka24 [161]

Answer:

No change to the cation  Add -ide to the anion

Question 1 and .2

Explanation:

6 0
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On which side of an equation are the reactants found?
koban [17]
The reactants are found on the Left of the arrow :)
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