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Advocard [28]
3 years ago
10

Which gas would you expect to have the fastest diffusion rate?

Chemistry
1 answer:
Readme [11.4K]3 years ago
6 0
A ammonia as it has the least molar mass
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An atom has the electron configuration of 1s22s22p5 how many electrons are in that atom
notsponge [240]

Answer:

There are 9 electrons in this atom.

Explanation:

Electron configuration of this atom: 1s^2\, 2s^2\, 2p^5.

The electron orbitals of an atom are denoted as 1s, 2s, 2p, 3s, 3p, etc. At any given time, an electron in this atom is located in exactly one orbital.

The electron configuration of an atom gives the number of electrons in each orbitals of this atom.

For example, in this atom, the superscript "2" on the right of "1s" means that there are two electrons in the 1s\! orbital of this atom. Hence, 1s^2\, 2s^2\, 2p^5 would translate to:

  • The 1s orbital of this atom contains 2 electrons.
  • The 2s orbital of this atom contains 2 electrons.
  • The 2p orbitals of this atom contain 5 electrons.

Hence, there would be 2 + 2 + 5 = 9 electrons in total in this atom.

7 0
3 years ago
What are the most elements of the periodic table?
yarga [219]

Answer:

noble gases. nonmetals. metalloids.

Explanation:

they have the most elements

8 0
2 years ago
True of false: Nitrogen in the atmosphere is fixed by bacteria that typically reside around the roots of plants.
Juli2301 [7.4K]
<h2>Hello there! Janise here!</h2><h2>UwU UwU UwU UwU UwU UwU!</h2><h3>Nitrogen in the atmosphere is fixed by bacteria that typically reside around the roots of plants.</h3><h3>This is actually true!</h3>
4 0
2 years ago
With a quick, sudden motion, he bends his thumb forward so that the rubber band slips off. What happens next?
Alenkinab [10]
The rubber band flies forward if on the back.  If the thumb on the front t would smack back and hit your thumb
7 0
3 years ago
Read 2 more answers
Determine the empirical formula for C6H3Br3.
Mazyrski [523]

Answer:

C2HBr

Explanation:

The empirical formula is like the simpliest form so divide all by 3 and get the above formula.

3 0
2 years ago
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