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____ [38]
3 years ago
14

Covalent bonds are created by

Chemistry
1 answer:
nekit [7.7K]3 years ago
8 0

Answer:

chịu

Explanation:

You might be interested in
Reduction is a reaction which results in a __1____ in electrons and a __2____ in positive charge of the atom or ion
mestny [16]

Hello! Your answer would be a gain of electrons and a decrease in positive charge.

Contrary to how it sounds, reduction is actually a gain of electrons. It is part of a set of reactions known as a redox reaction, reduction being a gain of electrons and oxidation being a loss.

With the gain of electrons, the element would become more negative as electrons bring with them a negative charge. Therefore, this would decrease the positive charge.

Hope this helped!

7 0
4 years ago
6) 3.2 grams of sodium chloride is dissolved to make 0.25 liters of solution. Hint Convert grams to moles first! Molar mass of N
otez555 [7]

Which solution is the least concentrated?

O 2 moles of solute dissolved in 4 liters of solution

5 0
3 years ago
Which elements are not likely to bond with other elements? and why
noname [10]

Answer:

Helium, Neon, Argon, Krypton, Xenon, Radon, and Oganesson

Explanation:

they have full outer shells

8 0
2 years ago
What is the mass percentage of O in C₂H₄O₂? Provide an answer to two decimal places.
nasty-shy [4]

Answer:

53.29%

Explanation:

The molar mass of C2H4O2 is 60.05g and the 2 O's are 32.00g

so 32.00/60.05= 0.53288925895

and that as a decimal rounded to the nearest hundredths is 53.29%

6 0
2 years ago
What characterizes a system at equilibrium?
stira [4]

Answer:

D. There is no net change to the system

Explanation:

Equilibrium means "equal". In a chemical system, changes occur in substances called the reactants to produce another substance called the products. These changes from reactants to products and vice versa occur at an uneven rate until EQUILIBRIUM is reached.

In other words, equilibrium is attained when the reactants and products are formed at an equal or constant rate i.e. There is no net change to the system. For example, in the chemical system below:

A + B ⇌ C + D

This system is said to be at "EQUILIBRIUM" if the rate of reaction of the reactants (A and B) is equal to that of the products (C and D). That is, there is no net change (difference) in the reaction rate.

5 0
3 years ago
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