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3 years ago

In nuclear physics what units are used to measure the radius of an Atom

Chemistry

1 answer:

Paul [167]3 years ago

7 0

I'm sorry I'm not quit sure

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Balance the following equation CH₄ + O₂ → CO₂ + H₂O

nalin [4]

Answer:

CH4 + 2 O2 - - - > CO2 + 2 H2O

Explanation:

hope this helps,

you can check by adding all the numbers on both sides

please mark it

3 0

3 years ago

15. You have a solution of .835mol of NaCl in 2.5L of solution, what is the molarity?

Viktor [21]

Answer: 0.334mol/L

Explanation:

$M=\frac{mol}{L}$

$M=\frac{0.835mol}{2.5L} \\M=0.334mol/L$

5 0

2 years ago

15. Name the element that has 3 energy levels and 3 valence electrons. *

uysha [10]

Answer:

aluminium ..............

6 0

3 years ago

Part A Transmutation is the process of transforming one element into another through nuclear reactions. What will be the nuclide

S_A_V [24]

Answer: The isotope produced after the transmutation process of Cf-249 and C-12 is $_{104}^{257}\textrm{Rf}$

Explanation:

Transmutation is defined as the process where one chemical isotope gets converted to another chemical isotope. The number of protons or neutrons in the isotope gets changed.

The chemical equation for the reaction of Californium-249 nucleus with Carbon-12 nucleus follows:

$_{98}^{249}\textrm{Cf}+_6^{12}\textrm{C}\rightarrow _{Z}^{A}\textrm{X}+4_0^1\textrm{n}$

In a nuclear reaction, the total mass and total atomic number remains the same.

To calculate A:

Total mass on reactant side = total mass on product side

249 + 12 = A + 4

A = 257

To calculate Z:

Total atomic number on reactant side = total atomic number on product side

98 + 6 = Z + 0

Z = 104

Hence, the isotope produced after the transmutation process of Cf-249 and C-12 is $_{104}^{257}\textrm{Rf}$

5 0

3 years ago

I have a question, about trends in the periodic table. Mostly focusing on ionization energy. From going from right to left it in

jasenka [17]

It increases because the electrons are held tighter together by the higher effective nuclear charge. The electrons are held in lower energy orbitals and closer to the nucleus and more tightly bound and harder to remove from the atom.

5 0

2 years ago