How do hydrogen atoms make a covalent bond?

Answers

Answer 1

Answer: The hydrogen compound is a combination of equally matched atoms. The atoms will share each other's single electron, forming the bond.

Answer 2

Answer: Hydrogen atoms only need two electrons in their outer level. The covalent bond holds the two atoms together.

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Which compound is used to make asphalt?

Answers

Asphalt/bitumen is used to make Japan black, a lacquer known especially for its use on iron and steel,

12. A salt used as a fertiliser has the empirical formula H4N2O3.Suggest the formulae of the ions present in this salt

Answers

Final answer:

The formula H4N2O3 represents a salt containing ammonium (NH4+) and nitrate (NO3-) ions. These ions are often present in fertilisers because they effectively deliver nitrogen to plants.

Explanation:

The empirical formula H4N2O3 represents a salt used in fertilisers and it contains hydrogen, nitrogen, and oxygen. In this salt, the ions present are the ammonium ion (NH4+) and the nitrate ion (NO3-). Hydronium and nitrogen dioxide might also be present in the compound. However, the most relevant ions are generally the ammonium and the nitrate ions, because they are often used in fertilizers due to their abilities to effectively deliver nitrogen to plants.

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The empirical formula H4N2O3 suggests that in this salt, there are two nitrogen (N) atoms, three oxygen (O) atoms, and four hydrogen (H) atoms. To determine the formulae of the ions present, we can consider that hydrogen usually forms H+ ions, while nitrogen can form N3- ions, and oxygen can form O2- ions.

Based on this, the formulae of the ions present in this salt could be:

- Cation: H+
- Anions: N3- and O2-

So, the salt might consist of H+ cations and a combination of N3- and O2- anions, depending on the specific compound.

How many atoms are contained in 1 mole of silver

Answers

3 atoms! Glad I can help! :)

3 atoms are contained in 1 mole of silver

An airplane travels 4000m in 16 seconds on a heading of 35 degrees. What is it's velocity

Answers

All you have to do is divide 4000 / 16, that gives us 250 meters per second.

Would the remains of a living thing have more or less carbon 14 in it after being buried for 10000 years? Why? Please make the answer no more than 5 sentences

Answers

Yes, because carbon-14 is radioactive and so decays over time. if it is buried, it cannot take up more carbon-14, so the overall c14 levels wil go down.

In an experiment, Ann mixes concentrated sulfuric acid with water in a reaction test tube. The walls of the test tube turn hot.Which of the following type of reaction has occurred?A) endothermic
B) exothermic
C) reversible
D) irreversible

Answers

B) Exothermic
The reaction released heat energy to its surrounding, thus, it was exothermic.
"exo" is to expel or put outside
"thermic" means heat

Answer: B) exothermic

Explanation:

Endothermic: The chemical reactions in which reactants form products by absorption of energy are called as endothermic reactions.

Exothermic : The chemical reactions in which reactants form products along with release of energy are called as exothermic reactions. Thus if walls turn hot that means the energy has been released.

Reversible: The chemical reactions in which reactants form products and products can also be converted back to reactants are called as reversible reactions.

Irreversible: The chemical reactions in which reactants form products but products can not be converted back to reactants are called as irreversible reactions.

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Which correctly defines a basic solution?a. [H+] is not present.b. [H+] is equal to [OH−].c. [H+] is less than [OH−].d. [H+] is greater than [OH−].

A 25.5 liter balloon holding 3.5 moles of carbon dioxide leaks. How many grams of carbon dioxide escaped before the container could be sealed if the new volume of the balloon is 15.4L?

Which is a substance that is made up of only one type of atom?

The ph of a buffer does not depend much on the concentrations of its acid–base conjugate pair because