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Debora [2.8K]
3 years ago
15

In which group do all atoms have seven valence electrons in the ground state?

Chemistry
1 answer:
SpyIntel [72]3 years ago
8 0
Hence they got seven electrons in ground state
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Compare photons of gamma and radio radiation. which has: the longer wavelength? the greater frequency? the greater energy?
Nataly [62]
<span>Gamma radiation has a shorter wavelength, a higher frequency and higher energy than radio radiation. Wavelength is inverse to frequency and energy (i.e. higher wavelength means lower frequency and lower energy, and vice versa).</span>
6 0
4 years ago
What type of element is Hydrogen? Where do you see hydrogen present?
PSYCHO15rus [73]

/~\ The correct answer is:

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

<em><u>Hydrogen is a chemical and is </u></em><em><u>found in the sun and most of the stars, </u></em><em><u>and the</u></em><em><u> planet Jupiter</u></em><em><u> is composed mostly of hydrogen. On Earth,</u></em><em><u> </u></em><em><u>hydrogen is found in the</u></em><em><u> greatest quantities as water.</u></em>

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8 0
3 years ago
In fission, a ________ _________ is one where a neutron imbeds itself in the nucleus of a U-235 atom causing it to break apart.
SVEN [57.7K]

a. chain reaction

Explanation:

In a fission, a chain reaction is one where a neutron embeds itself in the nucleus of an U-235 atom and causes it to break apart. After this, more neutrons are created. The neutrons carry on the cycle by starting the fission process over and over again.

Chain reactions typifies most nuclear reactions taking place in the nucleus of an atom.

They are repeated loops that takes place until an atom reaches it state of stability.

  • They are not exclusive to fission reactions alone.
  • Chain reactions also takes place during nuclear fusion
  • In fusion two atoms combines to produce a single nuclide.
  • The steps goes on and on
  • This why the sun keeps burning and bursting with energy

learn more:

Nuclear transmutation brainly.com/question/3433940

#learnwithBrainly

7 0
4 years ago
Atomic size of sodium atom is greater than that of chlorine atom why?
goldenfox [79]
The atomic size trend in the periodic table is increasing from right to left and from top to bottom. Hence when comparing a chlorine atom and a sodium atom, it is seen that chlorine is seen on the far left side of the periodic table while sodium is seen on the far right side. This means sodium is thus greater in atomic size than a chlorine atom.
5 0
3 years ago
Sodium hydrogen carbonate and citric acid<br><br> Word equation
timofeeve [1]

Answer:

the right answer is:

Explanation:

How to Balance: NaHCO3 + HC2H3O2 = NaC2H3O2 + CO2 + H2O|

5 0
3 years ago
Read 2 more answers
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