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Brut [27]
2 years ago
8

Why do we need neutrons in the nucleus?

Chemistry
1 answer:
prohojiy [21]2 years ago
5 0

Answer:

Neutrons are required for the stability of nuclei, with the exception of the single-proton hydrogen nucleus. Neutrons are produced copiously in nuclear fission and fusion. They are a primary contributor to the nucleosynthesis of chemical elements within stars through fission, fusion, and neutron capture processes.

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Why is baking soda an ionic bond
Kaylis [27]
Because it is made up of sodium, a metal, and carbon, a nonmetal.

Hope I helped ♡
6 0
3 years ago
Read 2 more answers
A particular radioactive nuclide has a half-life of 1000 years. What percentage of an initial population of this nuclide has dec
Delicious77 [7]

Answer:

91.16% has decayed & 8.84% remains

Explanation:

A = A₀e⁻ᵏᵗ => ln(A/A₀) = ln(e⁻ᵏᵗ) => lnA - lnA₀ = -kt => lnA = lnA₀ - kt

Rate Constant (k) = 0.693/half-life = 0.693/10³yrs = 6.93 x 10ˉ⁴yrsˉ¹

Time (t) = 1000yrs  

A = fraction of nuclide remaining after 1000yrs

A₀ = original amount of nuclide = 1.00 (= 100%)  

lnA = lnA₀ - kt

lnA = ln(1) – (6.93 x 10ˉ⁴yrsˉ¹)(3500yrs) = -2.426

A = eˉ²∙⁴²⁶ = 0.0884 = fraction of nuclide remaining after 3500 years

Amount of nuclide decayed = 1 – 0.0884 = 0.9116 or 91.16% has decayed.

3 0
3 years ago
I am having trouble predicting this equation. "Coke will reduce hot arsenious oxide to pure arsenic (As4). With the 4 as the sub
Rudik [331]
Well, Coke is just carbon in chemical reaction, so I think you get: 3 C + 2 As2O3--> 4 As + 3 CO2. Hope this helps! :)
7 0
3 years ago
My cat, Copper, is a picky eater. I've noticed that he eats better when the TV is on. To
jok3333 [9.3K]
I was going to help but I don’t understand the question
8 0
3 years ago
White wash suspension, a saturated solution of ca(oh)2, has a ph of 12.37. what is ksp for ca(oh)2?
SSSSS [86.1K]

Find the pOH from pH

pH + pOH =14\\pOH= 14-pH = 14-12.37 = 1.63

The KSP value of ca(oh)^{2} is

ca(oh)^{2} -- > ca^{2} + (aq) +2OH^{-}    \\ksp = 4s^{3}

The value finally becomes,

ksp = 5.15 * x=10^{-5}

<h3>What are the properties of Saturated solution ?</h3>

A saturated solution is one that contains all of the solute that can possibly dissolve in it. The most sodium chloride that may dissolve in 100 g of water at 20°C is 36.0 g. Past that point, adding more NaCl won't cause it to dissolve because the solution is already saturated.

The solution reaches a point when it is saturated. This indicates that if you add more of the substance, it will stop dissolving and instead stay solid. The amount depends on how the solvent and solute interact molecularly.

To learn more about saturated solution, visit

brainly.com/question/9414660

#SPJ4

5 0
1 year ago
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