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sasho [114]
4 years ago
6

Which two particles can form an ionic bond with each other?

Chemistry
2 answers:
Luba_88 [7]4 years ago
8 0

The correct answer is C. A positive calcium ion and a negative oxygen ion

Explanation:

In chemistry, an ionic bond occurs as ions with opposite charges attract each other and then create a bond due to the transference of electrons from one atom to other. This means, this type of bond occurs between an atom that is positively charged and one that is negatively charged, therefore, the two particles that can form an ionic bond are "A positive calcium ion and a negative oxygen ion" because these two have opposite charges (one is positively charged and one is negatively charged) and therefore electrons can be transferred from one atom to another forming an ionic bond.

Setler [38]4 years ago
7 0

a can be ionic because of the formula

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What's the sequence of a single complete engine cycle?
erastovalidia [21]

Answer:

Intake, compression, power, and exhaust

Explanation:

A four-stroke cycle engine is an internal combustion engine that utilizes four distinct piston strokes (intake, compression, power, and exhaust) to complete one operating cycle. The piston make two complete passes in the cylinder to complete one operating cycle.

5 0
3 years ago
Read 2 more answers
Calculate the ratio of the velocity of helium atoms to the velocity of neon atoms at the same temperature.
o-na [289]

Answer:

vHe / vNe = 2.24

Explanation:

To obtain the velocity of an ideal gas you must use the formula:

v = √3RT / √M

Where R is gas constant (8.314 kgm²/s²molK); T is temperature and M is molar mass of the gas (4x10⁻³kg/mol for helium and 20,18x10⁻³ kg/mol for neon). Thus:

vHe = √3×8.314 kgm²/s²molK×T / √4x10⁻³kg/mol

vNe = √3×8.314 kgm²/s²molK×T / √20.18x10⁻³kg/mol

The ratio is:

vHe / vNe = √3×8.314 kgm²/s²molK×T / √4x10⁻³kg/mol / √3×8.314 kgm²/s²molK×T / √20.18x10⁻³kg/mol

vHe / vNe = √20.18x10⁻³kg/mol / √4x10⁻³kg/mol

<em>vHe / vNe = 2.24</em>

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I hope it helps!

8 0
3 years ago
The _______ of an atom are negatively charged. a. protons b. negatrons c. neutrons d. electrons
PIT_PIT [208]
Protons = +1
negatrons = -1
neutrons = 0
<span>electrons = -1
</span>
<span>negatrons are like positrons and they are subatomic particles and are not present in atoms 
</span>
so electrons are negatively charged and are present in atoms 

hope that helps
7 0
3 years ago
Read 2 more answers
Is powder considered a liquid or a Solid?​
Llana [10]

Answer:

Solid

Explanation:

Is this a trick question?

If not, solid.

7 0
2 years ago
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If you digested 25 mg of pure ferrocene in nitric acid and then diluted the resulting solution up to 500 mL with 1% aqueous hydr
Vilka [71]

Answer:

1.345*10⁻⁴ mol/L

15.023 mg/L

Explanation:

The chemical <u>formula of ferrocene</u> is Fe(C₅H₅)₂, thus its molecular weight is:

55.845 g/mol + 10*12g/mol + 10 *1g/mol = 185.845 g/mol

  • The moles of Fe contained in 25 mg (or 0.025 g) of ferrocene are:

0.025gFerrocene*\frac{1molFerrocene}{185.845g} *\frac{1mol Fe}{1molFerrocene}=1.345*10^{-4} molFe

  • The final volume is 500 mL, or 0.5 L. So the iron concentration in mol/L is:

\frac{1.345*10^{-4}molFe}{0.5L}= 2.69*10^{-4} mol/L

  • We can convert that value into mg/L:

2.69*10^{-4} \frac{molFe}{L} *\frac{55.845g}{1molFe}*\frac{1000mg}{1g}=15.023 mg/L

6 0
4 years ago
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