One of the chemical symbols for three various atoms or atom cations v 19 electron is the aspect with naturally 19 electrons is Potassium with a symbol (K). Other symbols may include those with added electron fees (-) which are close to the facet potassium in the periodic table. The 3 chemical symbols space K,



Atomic number is characterized as the number of electrons or protons that are existing in a neutral atom. The is stood for by Z.

You are watching: Write the chemical symbols for three different atomic cations that all have 10 protons.

When a neutral atom looses electrons, it leads to the formation of optimistic ions recognized as cations and when a neutral atom profit electrons, it leads to the formation of negative ions well-known as anions.

So, the atom having actually atomic number 19 is potassium. Its chemical symbol is "K"

Titanium is the 22nd facet of the periodic table. So, when this atom looses 3 electrons it will have actually 19 electron in its orbit. Thus, the cation created will it is in


Vanadium is the 23rd element of the routine table. So, once this atom looses 4 electrons it will have actually 19 electrons in its orbit. Thus, the cation developed will it is in


Hence, the three chemical symbols space K,


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Which that the adhering to ions would stand for the ion of an facet from team 2A
Oxana <17>
Would friend mind listing the options? 
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Does the coefficient that linear growth depend ~ above length?l​
prisoha <69>


it doesnot beacuse that is elevation of it"s initial length......

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How many grams of ice cream at -13 deg C need to be included to 711 grams that water the is initially at a temperature of 87 deg C to produce
Basile <38>

The come your question is m = 4.7 kg



Ice Water

mass = ? fixed = 711 g

T₁ = -13°C T₁ = 87°C

T₂ = 10°C T₂ = 10°C

Ch = 2090 J/kg°K Cw = 4180 J/kg°K


1.- convert temperature to kelvin

T₁ = 273 + (-13) = 260°K

T₁ water = 87 + 273 = 360 °K

T₂ = 10 + 273 = 283°K

2.- compose the equation of interchange of heat

- warmth lost = warm absorbed

- mwCw(T₂ - T₁) = miCi(T₂ - T₁)


- 0.711(4180)(10 - 87) = m(2090)(10 - (-13))

- Simplification

228842.46 = 48070m

m = 228842.46/48070


m = 4.7 kg

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Two varieties of organic reactions are(1) enhancement and sublimation
arlik <135>

Esterification and polymerization


Organic reactions space chemical reactions connected with essential compounds (compounds of carbon).

a) enhancement : this is a reaction displayed by essential compounds having twin or triple bond. On these multiple bond some various other molecules get include on.

so enhancement is a type of organic reaction.

b) sublimation: the is a physical procedure where a hard gets straight converted come a gas. Therefore it is not an essential reaction.

c) deposition : that is a physical process where something it s okay deposited over another substance. Over there is no chemistry reaction in this process.

d) saponification: that is an organic reaction, wherein a fat or oil is heated through NaOH to offer soap and also alcohol.

e) decomposition: it a chemical process where a huge molecule gets decomposed into smaller molecules.

f) esterification: it is reaction of one acid v alcohol to an additional organic molecule ester. This is necessary reaction.

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g) polymerisation: that is development of huge macro molecules, by repetitive combination of small molecules. This is an essential reaction.

B the diameter that the balloonthe dependant variable is the point that alters as a result of what has been done to it. In this instance the diameter that the balloon will adjust once the experiment has actually been done.the temperature of the balloon would be the independant variable thus the is not A. (the balloon transforms shape as the air increases when heated, or deflates as soon as the temperature decreases)the amount of wait is the manage variable as it wouldn"t it is in a fair test if the diameters weren"t the very same to begin with, so that isnt choice B.i have actually no clue why alternative D is there, yet it i will not ~ make sense that the amount of balloons would change.therefore the is choice B