1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
wariber [46]
3 years ago
13

Which matter particle has 34 protons and 36 electrons in the following configuration : 1s^ 2 2s^ 2 2p^ 6 3s^ 2 3p^ 6 4s^ 2 4p^ 5

? Kratom Krion Se atom Se ion
Chemistry
1 answer:
nirvana33 [79]3 years ago
6 0

Answer:

Selenium ion.

Explanation:

The atomic number of selenium is 34 which means it have 34 protons and 34 electrons. In given statement 36 electrons are mentioned which means two extra electrons are gained by the selenium.

When an atom gain the electrons it form the negative ion.

Selenium by gaining the 2 extra electrons form Se²⁻.

Electronic configuration of Se:

Se₃₄ = 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁴

Se²⁻=  1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶

4p⁴ have four electrons, to attain the stable electronic configuration selenium gain to more electrons and complete the octet.

You might be interested in
Please help!!!<br> Its not chemistry is science.
laiz [17]
You would want to know everything just Incase anything happens because maybe you get lost
7 0
3 years ago
21 mL It required 42.35 mL of H2SO4 to neutralize 21.17 mL of 0.5000 M NaOH. Calculate the concentration of H2SO4
bija089 [108]
The balanced equation for the above reaction is 
2NaOH + H₂SO₄ ---> Na₂SO₄ + 2H₂O
stoichiometry of NaOH to H₂SO₄ is 2:1
number of NaOH moles required-0.5000 M / 1000 mL/L x 21.17 mL = 0.010585 mol
According to stoichiometry, acid moles required are 1/2 of the base moles reacted
Therefore number of H₂SO₄ moles reacted - 0.010585 /2  mol
Number of moles in 42.35 mL of H₂SO₄ - 0.010585 /2 mol
Therefore in 1 L solution - (0.010585) /2 / 42.35 mL x 1000 mL/L = 0.125 M
Molarity of H₂SO₄ - 0.125 M
5 0
3 years ago
What are the two variables that affect the electric force between two objects?
givi [52]

Explanation:

The electrical force between two objects is given by the formula as follows :

F=\dfrac{kq_1q_2}{d^2}

k is electrostatic constant

q₁ and q₂ are electric charges

d is distance between charges

So, the two force between two charged objects depends on the product of charges and distance between charges.

5 0
3 years ago
How are monosaccharides and polysaccharides structurally different? *NO PLAGIARISM PLS*
Mariana [72]

Explanation:

Monosaccharides are simple carbohydrates that cannot be further hydrolyzed to simpler carbohydrates. They contain between three and six carbon atoms per molecule.

Polysaccharides  are complex carbohydrates . They are condensation polymers derived from very long chains of monosaccharide units.

Structurally, polysaccharides are made up of repeating units of monosaccharides.

3 0
3 years ago
Read 2 more answers
How did modern scientists experiment with Van Gogh's paints to determine their chemical reactions?
Andrei [34K]

Answer:

I think the answer is A - they used X-ray analysis.

Explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • When the volume of a gas is changed from mL to 852 mL the temperature will change from 315c to 452c
    6·1 answer
  • What is it called when an atom has the same number of protons but a different number of neutrons?
    10·2 answers
  • Please explain this to me! Thank you! :)
    15·1 answer
  • Determine the electrical work required to produce one mole of hydrogen in the electrolysis of liquid water at 298°K and 1 atm. T
    5·1 answer
  • Which statement best describes what the volume of an object represents
    7·1 answer
  • 1. Which of the following has the same molecular and Empirical formula? Select All that apply
    14·1 answer
  • Help need fast !!!!!!
    8·2 answers
  • HELPPPPPPP PLZZZ
    11·1 answer
  • Which molecules would most likely cause a liquid to have the lowest viscosity?
    14·1 answer
  • N₂ + 3H2 → 2NH3
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!