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taurus [48]
4 years ago
14

Why doesnt it exist?

Chemistry
1 answer:
belka [17]4 years ago
8 0

Answer:

He2 molecule contains 4 electrons. Each atom gives 2 electrons in 1s orbitals. This way 2 (1s) orbitals combine to give 2 molecular orbitals viz. ... This indicates that there is no bond formation between 2 HE atoms and hence the He2 molecule does not exist.

Explanation:

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Can you guys help me fill out the table?
TEA [102]

Explanation:

Scientist                   Evidence                                 Model

Dalton                        Gases                       indivisible, solid and spheres

J.J Thomson          Deflected beam        Negative charges evenly scattered

                                                                  through positively charged mass of

                                                                  matter.

Rutherford     Deflection of alpha            atomic model

                       particles passing                

                       through the gold foil              

The emboldened words are the answer.

  • John Dalton proposed the first model of the atoms by his works on gases. He postulated the Dalton's law of partial pressure.
  • He suggested that gases are made of tiny particles called atoms.

  • J.J Thomson proposed the plum pudding model of the atom in which the charges are evenly scattered through the positively charged mass of matter.

  • The gold foil experiment by Rutherford brought the atomic model of the atoms in the front-light.
  • The model suggests a small positively charged center which the mass of the atom.
  • The outer space is occupied by the electrons.

Learn more:

Rutherford brainly.com/question/1859083

#learnwithBrainly

6 0
3 years ago
What is the voltage of the electricity that a washing machine or stove would need in your home?
Zielflug [23.3K]

Answer:

120 V usually but its not given in the option so 110 V

5 0
2 years ago
When any salt is dissolved in water, the ionic bonds between the atoms must be broken in order for the salt to dissolve. The ene
Ksju [112]

Answer:

C released to the environment

Explanation:

I just did it in class

5 0
3 years ago
How many oxygen atoms are in 1 mol of CO2
solong [7]

Answer:  2 atoms

Explanation: A molecular formula of the compound carbon dioxide is CO 2 . One molecule of carbon dioxide consists of 1 atom of carbon and 2 atoms of oxygen.

5 0
3 years ago
Agents that antagonize the effects of acetylcholine are called __________.
fenix001 [56]
Agents that antagonize the effects of acetylcholine are called anticholinergic. 
<span>Anticholinergic blocks this neurotransmitter acetylcholine within the nervous system, by deactivating nerve impulses as a result of the binding of this neurotransmitter so that it cannot reach its receptor in nerve cells.</span>
4 0
3 years ago
Read 2 more answers
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