Could a 3 ion of aluminum be made by adding three protons to an aluminum atom

1 answer:

7 0

Protons cannot be so easily added to an atom, so this method cannot be used to produce ions. Protons are found in the nucleus which is held together by strong forces. This means that its structure is not easily changed. Bombarding it with a proton may even cause its decay, just as in nuclear fission a nucleus is bombarded with neutrons.

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Covalent compounds do not conduct electric current in a water solution well because they _____.

siniylev [52]

Covalent compounds do not conduct electric current in a water solution well because they do not dissociate into ions.

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3 years ago

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How many moles of ca(oh)2 are in 25ml of 1.5 M solution?

Klio2033 [76]

Molar concentration is

$C=\frac{\eta}{V}$

$[V]=Liters$

$[\eta]=mol$

$\eta=C*V$

$V=25~mL=0.025~L$

$\eta=1.5*0.025$

$\boxed{\boxed{\eta=0.0375~moles}}$

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Which of the following does not change when a car keeps a constant speed but changes direction?

mestny [16]

An object which experiences either a change in the magnitude or the direction of the velocity vector can be said to be accelerating. This explains why an object moving in a circle at constant speed can be said to accelerate - the direction of the velocity changes.

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3 years ago

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In ammonium chloride salt (nh4cl) the anion is a single chloride ion, cl. what is the cation of nh4cl

miskamm [114]

NH₄Cl → NH₄⁺ + Cl⁻

NH₄⁺ (the ammonium cation)

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2 years ago

< Progress: 19/21 groups Due Jan 15 at 11:55 PM Use the References to access important values if needed for this question. Th

Ierofanga [76]

Answer:

CoSO4.7H2O

Cobalt II tetraoxosulphate VI heptahydrate

Explanation:

According to IUPAC nomenclature, compounds are named systematically.

We were told that there are seven water molecules in each formula unit Hence the correct formula of the compound is CoSO4.7H2O

According to IUPAC system, the metal is first named, followed by its oxidation state in Roman numerals. Then the name of the anion is mentioned as well as the number of water molecules. We have to take into account the correct prefix signifying the number of molecules of water of crystallization.

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