CHEMISTRY HIGH SCHOOL

When oxygen bonds to itself to form breathable oxygen gas what kind of bond is involved?a. ionic
b. covalent
c. oxygenated
d. non-metallic

Answers

Answer 1
Answer: The correcr anwer is B. The chemical bond between two oxygen atoms is a covalent bond, specifically double covalent bond. The two atoms share two pairs of electrons in order to achieve the most stable structure. Other examples are CO2 and C2H4.

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Write the empirical formula for at least four ionic compounds ca2+.v5+,f-,s2

Answers

NaCl, CH4, MgO and C6H12O6 are the empirical formula for four ionic compounds.

What is empirical formula?

Empirical formula is defined as the chemical formula of a compound that gives the simplest proportions or ratios of the elements present in the compound but not the original numbers of atoms.

So we can conclude that NaCl, CH4, MgO and C6H12O6 are the empirical formula for four ionic compounds.

Learn more about ionic here: brainly.com/question/2687188

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Final answer:

The empirical formula for the four ionic compounds are CaF₂ and V₂S₅.

Explanation:

The empirical formula represents the simplest ratio of the elements in a compound. To determine the empirical formula of an ionic compound, we need to find the ratio of the ions involved. Given Ca²⁺, V⁵⁺, F⁻, and S²⁻, we can combine these ions to form different compounds by balancing their charges. Taking Ca²⁺ and F⁻, we get CaF₂. For V⁵⁺ and S²⁻, we get V₂S₅. Therefore, the empirical formula for the four ionic compounds is CaF₂, V₂S₅.

Learn more about Ionic compounds here:

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Which of the following is a major consequence of the shifting of the Intertropical Convergence Zone (ITCZ)? A. monsoon rains in South Asia B. few winds in the horse latitudes C. jet streams over the North Atlantic D. lush vegetation in the Amazonian rainforest

Answers

The shifting of the Intertropical Convergence Zone (ITCZ) results to A. monsoon rains in South Asia. The ITCZ is a region on Earth where the Northern and Southern hemispheres meet, causing the trade winds from both regions to meet. This causes a belt of low pressure, making the region prone to heavy rainfall or monsoon rains.

Which of the following is true about photosynthesis? a) It is an exothermic reaction.
b) It is an endothermic reaction.
c) It produces carbon dioxide.
d) It occurs in animals.

Atomic theory is
a) subject to change if new information is discovered.
b) a solution to the problem of differing isotopes.
c) unchangeable.
d) a descriptive table that lists all of the elements.


Two nonmetals from Group 16 are likely to form a(n)
a) metallic bond.
b) double bond.
c) ionic bond.
d) covalent bond.

Answers

The correct answer is A. Photosynthesis is an exothermic reaction. The reaction releases energy. For the second question, the correct answer is A. Atomic theory is subject to change if new information is discovered. Lastly, the correct answer for the third question is option A. Two nonmetals from Group 16 are likely to form a metallic bond.

In chemical equations, as long as all of the coefficients are the same on both sides of the equation, the equation is balanced.True
False

Answers

False. The subscripts have to be read and you must see if both sides have the same number of atoms.
This statement is false. Not only the coefficients must be balanced, the subscripts and also the number of elements must be equation on BOTH sides of the equation. That means that the reactants and products are equal, and unchanging. 

According to the Pauli exclusion principle, when can two electrons occupy the same orbital?

Answers

Knowing that a no orbital can accommodate more than two electrons,we can predict the maximum number of electrons in each layer or sub-layer ,It is possible when :

* Only two electrons can be assigned to an s orbital.

* three orbitals in a sub-layer p can accommodate two electrons, this sublayer can accommodate a maximum of six electrons.

* The five d orbitals of a sub-layer can accommodate a total of ten electrons.

hope this helps!

Gross Domestic Product includes consumption, net exports, _____, and _____. investments, government expenses intermediate goods, services last year's products, this year's products

Answers

Answer: The correct answer for the blank is-

Investments and government expenses.

Gross domestic product (GDP)  is the total goods and services value, which is produced within the boundary of a country during a particular year.

GDP is measured by expenditure method, which includes investment, government expenditure, net exports (Exports-Imports), and consumption.

Thus, investments and government expenses is the right answer for the blanks.

Answer:

A) investments, government expenses

Explanation:

I got it right on Odyssey!

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If 5.0 liters of carbon dioxide gas are produced by the reaction below at 273 K and 1.00 atm, how many liters of oxygen gas were used in the reaction?
How are science and technology related?A. Technology is a branch of natural science. B. Science is a branch of technology. C. Advances in science may lead to advances in technology and vice versa. D. Science and technology are not related
What a non-renewable resource is, Give 2 examples of non-renewable resources.