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3 years ago

Atoms of which element below are most likely to gain electrons?

Chemistry

1 answer:

ruslelena [56]3 years ago

4 0

Answer:

Carbon and phosphorus

Explanation:

The atoms of carbon and phosphorus are most likely to gain electrons from the given choices .

The reason for this is because, both carbon and phosphorus are non-metals. Most non-metals usually accept electrons.

Metals are usually electron donors .

Metals are known for their electropositivity which is their ability to lose electrons.
Non-metals are electronegative and will tend to have a strong affinity for electrons.

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Kitty [74]

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3 years ago

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The molar mass of water (H2O) is 18.02 g/mol. Yun needs 0.025 mol H2O for a laboratory experiment. She calculates that she needs

Tomtit [17]

The relation between moles and mass is given by the formula:

# of moles = (mass in grams) / (molar mass)

So, given the molar mass of 18.02 and 0.025 mol, you can solve the formula for the mass of water in grams:

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Then, she is wrong.

5 0

4 years ago

Read 2 more answers

Determine how the following bonds are made using Lewis dots structures

garri49 [273]

Answer :

1.) $Ca^{2+}+2Cl^-\rightarrow CaCl_2$

Calcium has 2 valence electrons and chlorine has 7 valence electrons. For neutral molecule, 2 chlorine atoms share their valence electrons with 1 calcium atom. The bonds are formed between the calcium and chlorine atom.

2.) $Al^{3+}+3F^-\rightarrow AlF_3$

Aluminium has 3 valence electrons and fluorine has 7 valence electrons. For neutral molecule, 3 fluorine atoms share their valence electrons with 1 aluminium atom. The bonds are formed between the aluminium and fluorine atom.

3.) $H^{+}+Cl^-\rightarrow HCl$

Hydrogen has 1 valence electron and chlorine has 7 valence electrons. For neutral molecule, 1 chlorine atom share their valence electrons with 1 hydrogen atom. The bonds are formed between the hydrogen and chlorine atom.

4.) $2H^{+}+S^{2-}\rightarrow H_2S$

Hydrogen has 1 valence electron and sulfur has 6 valence electrons. For neutral molecule, 2 hydrogen atoms share their valence electrons with 1 sulfur atom. The bonds are formed between the hydrogen and sulfur atom.

5.) $Cl^{-}+Cl^-\rightarrow Cl_2$

Chlorine has 7 valence electrons. For neutral molecule, 1 chlorine atom share their valence electrons with 1 chlorine atom. The bonds are formed between chlorine and chlorine atom.

The lewis-dot structure image is shown below.

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3 years ago

What is the pH of a 3.9•10-8 M OH- solution

Mice21 [21]

POH will be -log[conc of OH]
-log (3.9E-08) = 7.409
pH = 14- pOH
pH = 14 - 7.409
pH = 6.59

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4 years ago

Organism that consist of many cells?

Tanya [424]

Answer:

Multicellular Organisms.

Explanation:

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3 years ago