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V125BC [204]
3 years ago
7

Which participates in chemical reactions? electrons protons neutrons gamma rays

Chemistry
2 answers:
Marta_Voda [28]3 years ago
5 0

Answer: Option (a) is the correct answer.

Explanation:

A chemical reaction is the reaction that involves gain and loss of electrons due to which there is formation of new compounds or products.

Foe example, HCl + NaOH \rightarrow NaCl + H_{2}O

That is, in chemical reactions change in oxidation state of reactants occur.

Hence, we can conclude that out of the given options electrons participates in chemical reactions.

KIM [24]3 years ago
4 0
I think the correct answer is electrons. All chemical reactions are dependent on the transfer of electrons. Other subatomic particles are located in the innermost portion of an atom and are bonded strongly with each other.
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Magnesium fluoride is used in the ceramics and glass industry. What is the mass of 1.72 mol of magnesium fluoride?
lions [1.4K]

Answer:

107g

Explanation:

Magnesium fluoride (MgF₂) has a molecular mass of:

Mg: 24,305 g/mol × 1 = 24,305 g/mol

F: 18,998 g/mol × 2 = 37,996 g/mol

MgF₂ = 24,305g/mol + 37,996g/mol = 62,301g/mol. That means the mass of 1,72 mol of MgF₂ is:

1,72 mol F₂ × (62,301g / 1mol) = <em>107g</em>

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I hope it helps!

5 0
3 years ago
How many unpaired electrons does lithium have.
Marianna [84]

Answer:

Lithium only has one pair of unpaired electrons.

Explanation:

7 0
3 years ago
The following reaction has been reported in the chemical literature and gives a single organic product in high yield. Write the
Alla [95]

Answer:

Explanation:

The principle applied is the Markovnikoff's rule which states that when hydrogen chloride adds to a double bond, the hydrogen atoms join to the carbon that already has the most hydrogen atoms bonded to it. The rule wa postulated by a russian chemist known as Vladimir Markovnikoff.

In the markovnikoff's rule, there are sveral conditions that must be met, one of them is that no free radicals must be involved.

The reaction and the structure of the product is as shown in the attachment.

8 0
3 years ago
How many atoms of aluminum are produced from 239.0 grams of iron? Give your answer in Scientific Notation.
Furkat [3]

Answer:

I dont know

Explanation:

I have it for a science final

4 0
3 years ago
Consider the molecules: scl2, f2, cs2, cf4, and brcl. select the choice where the bonds of the molecules are arranged in order o
elena-s [515]

The polarity of a bond depends on the difference in electronegativities of the atoms involved in bonding. Greater this difference, greater is the polarity

1) In SCl2 we have the S-Cl bond

Electronegativity values: S = 2.5, Cl = 3

Difference = 3.0 -2.5 = 0.5

2) In F2 we have the F-F bond

Electronegativity value: F = 4.0

Difference = 4.0-4.0 = 0

3) In CS2 we have the C-S bond

Electronegativity value: C = 2.5, S = 2.5

Difference = 2.5 -2.5 = 0

4) In CF4 we have the C-F bond

Electronegativity values: C = 2.5, F = 4.0

Difference = 4.0 -2.5 = 1.5

5) In BrCl we have the Br-Cl bond

Electronegativity values: Br = 2.8, Cl = 3

Difference = 3.0 -2.8 = 0.2

Therefore, the increasing order of polarity is

F2 = CS2 < BrCl < SCl2 < CF4

5 0
3 years ago
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