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2 years ago

Which nonmetal would an ion of Ca2+ MOST LIKELY ionically bond with in a 1:1 ratio?

2 answers:

6 0

"One atom of Oxygen" would an ion of Ca2+<span>MOST LIKELY ionically bond with in a 1:1 ratio

Hope this helps!</span>

erastovalidia [21]2 years ago

3 0

Explanation:

Atomic number of calcium is 20 and its electronic configuration is 2, 8, 8, 2.

Since it has two extra electrons, therefore, it donate these electrons to an electron deficient atom that needs only two electrons to complete its octet.

Oxygen atom has electronic configuration 2, 6. Hence, it is the atom that needs two electrons to complete its octet. So, it forms a compound of calcium oxide (CaO).

Thus, oxygen will most likely ionically bond with in a 1:1 ratio with $Ca^{2+}$ .

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Which of the following fractions can be used in the conversion of 25 m3 to the unit cm3?

zaharov [31]

your answer would be C hope this helps

8 0

3 years ago

Magma can partially crystallize at depth and then rise to shallow depths where the remaining magma solidifies. The early-formed

Doss [256]

<h2>Phenocrysts and Porphyritic texture </h2>

Explanation:

The early formed crystals are of phenocrysts and the texture of these crystals is porphyritic texture.
This crystallization occurs when early-forming plagioclase crystals which are rich in calcium start coating with plagioclase crystals which are rich in sodium.
On cooling, the magma is then processed in a volcanic eruption, after the eruption the liquid which is left behind will start cooling and forms a porphyritic texture.

5 0

2 years ago

Classify the chemical equations as being balanced or not balanced. 2CO 2NO → 2CO2 N2 6CO2 6H2O → C6H12O6 O2 H2CO3 → H2O CO2 2Cu

marissa [1.9K]

Answer:

2CO 2NO → 2CO2 N2 : Balanced

6CO2 6H2O → C6H12O6 : Unbalanced

H2CO3 → H2O CO2 : Balanced

2Cu O2 → CuO : Unbalanced

Explanation:

1.) 2CO 2NO → 2CO2 N2

2 Carbon 2

4 Oxygen 4

2 Nitrogen 2

The amount of atoms of each element on each side of the equation are the same therefore the equation is balanced.

2.) 6CO2 6H2O → C6H12O6 O2

6 Carbon 6

12 Oxygen 8

12 Hydrogen 12

The amount of oxygen atoms is different on both sides of the equation therefore the equation is not balanced.

3.) H2CO3 → H2O CO2

2 Hydrogen 2

1 Carbon 1

3 Oxygen 3

The amount of atoms of each element is the same on both sides of the equation therefore the equation is balanced.

2Cu O2 → CuO.

2 Cu 2

2 O 1

The amount of oxygen atoms is different on both sides of the equation therefore the equation is not balanced.

4 0

2 years ago

You want to know how many moles of gas your lungs can hold. You start off with a balloon that has 1.4 moles of gas and occupies

Mrrafil [7]

Number of moles : n₂ = 1.775 moles

<h3>Further explanation</h3>

Given

Moles = n₁ = 1.4

Volume = V₁=22.4 L

V₂=28.4 L

Required

Moles-n₂

Solution

Avogadro's hypothesis, at the same temperature and pressure, the ratio of gas volume will be equal to the ratio of gas moles

The ratio of gas volume will be equal to the ratio of gas moles

$\tt \dfrac{V_1}{V_2}=\dfrac{n_1}{n_2}$

Input the values :

n₂ = (V₂ x n₁)/V₁

n₂ = (28.4 x 1.4)/22.4

n₂ = 1.775 moles

4 0

2 years ago

The metalloid that has three valence electrons is .

lawyer [7]

Answer:

Boron

Explanation:

4 0

2 years ago

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