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3 years ago

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the characteristic ions present in water solutions of acids are A) oxide ions B) chloride ions C)hydronium ions D)nitride ions

1 answer:

Tanzania [10]3 years ago

4 0

The characteristic ions present in the water solutions of acids are hydronium ions.

Option C

<u>Explanation:</u>

Ions are nothing but the oxidized or reduced state of any element in the periodic table. If an element loses electrons or if it gains electrons, then that element will be termed as ion instead of atoms. Water is composed of hydrogen [H⁺] ion and hydroxide ion [OH⁻] ion.

When water is mixed with acids, then H₂O will get combine with OH⁻ group leading to the formation of hyronium ion H₃O⁺ ion. So every acid when dissolved in water solution, they will be forming hydronium ion.

Thus, the characteristic ions present in water solutions of acids are hydronium ions.

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How many electrons would be found in the Ion who’s symbol is I-

Vesnalui [34]

Answer:

54

Explanation:

Given symbol of the element:

I⁻

Number of electrons found in an ion with the symbol:

This is a iodine ion:

For an atom of iodine:

Electrons = 53

Protons = 53

Neutrons = 74

An ion of iodine is one that has lost or gained electrons.

For this one, we have a negatively charged ion which implies that the number of electrons is 1 more than that of the protons.

So, number of electrons = 53 + 1 = 54

The number of electrons in this ion is 54

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2 years ago

What is the bond angle in a tetrahedral molecule?

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109.5

tetrahedral shape:
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3 years ago

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True or false: elements are atoms or molecules that have a net charge

denpristay [2]

Answer:

true

Explanation:

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3 years ago

The density of gold is 19.32 g/mL. What is the volume, in mL, of a nugget of gold with a mass of 55.07 g?

Vika [28.1K]

Answer: 2.850

Explanation:

$19.32=\frac{55.07}{v}\\19.32v=55.07\\v=\frac{55.07}{19.32}=\boxed{2.850 \text{ mL}}$

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2 years ago

HELP PLS !!!! :))Formula unit of Sr and CI<br><br> Formula unit of AI and S

xenn [34]

Answer : The formula unit of Sr & Cl is $SrCl_2$ and the formula unit of Al & S is $Al_2S_3$

Explanation :

Formula unit : it is defined as the lowest number ratio of ions of an elements in an ionic compound or covalent compound.

For the formula unit of Sr & Cl, two chloride ions $(Cl^-)$ are needed to neutralize the one strontium ion $(Sr^{2+})$ .

For the formula unit of Al & S, three sulfide ions $(S^{2-})$ are needed to neutralize the two aluminium ion $(Al^{3+})$ .

The formula unit of $SrCl_2$ and $Al_2S_3$ are shown below.

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3 years ago