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]
2 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]2 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
whoch of the following statments doesnt describe the structure of a atowhich of the following do not describe the structure of a
ra1l [238]

Answer : The incorrect option is, The most of the mass of the atom comes from the electron cloud.

Explanation :

There are three basic particles of an atom which are neutrons, protons and electrons.

The nucleus which is present in the center of an atom that contains the neutrons and the protons. The protons are positively charged and neutrons has no charge.

The outer region of an atom contains the electrons and the electrons are negatively charged.

As per given options, the statement which is the most of the mass of the atom comes from the electron cloud is incorrect statement because the most of the mass comes from the nucleus in which protons and neutrons are present.

5 0
2 years ago
Question 2 3 pts Which solution is the most acidic?​
Drupady [299]

Answer:

En general, la adicción se considera una enfermedad crónica que ocurre tras el consumo continuado de una droga durante un período de tiempo relativamente largo. Por tanto, el principal factor desencadenante de la enfermedad es el consumo mismo de la droga.Sep 16, 2019

Explanation:

6 0
3 years ago
What is the mass of 14.4 moles Fluorine?<br> 0.379g<br> 274.8<br> 1.32 g<br> 2.64g<br> 547 g
liberstina [14]

Answer:

D

Explanation: d

8 0
3 years ago
Read 2 more answers
Prediction for Scandium (II) and Cl
Nimfa-mama [501]

Answer:

ScCl₂

General Formulas and Concepts:

<u>Chemistry</u>

  • Reading a Periodic Table
  • Reaction Prediction
  • Determining Chemical Compounds

Explanation:

<u>Step 1: Define</u>

Scandium (II)

Cl

<u>Step 2: Determine Charges</u>

Sc²⁺

Cl⁻

<u>Step 3: Predict Compound</u>

<em>We need to balance out the charges so the overall charge is 0.</em>

ScCl₂

<u>Step 4: Reaction</u>

RxN:   Sc²⁺ + Cl₂ → ScCl₂

3 0
3 years ago
Which elements are diatomic?
BartSMP [9]

Answer:

1 6 7 9

Explanation:

8 0
2 years ago
Other questions:
  • How does the periodic table arrange element's atomic number?
    7·1 answer
  • 3.9 X 1022 molecules of CO2 = _ moles of CO2
    15·1 answer
  • Which types of particles are charged and located within the nucleus of an atom?
    5·2 answers
  • Which letter indicates a subatomic particle with a mass of 5.489 x 10-4 amu
    5·2 answers
  • fish give off the compound ammonia which has a PH above 7. To which class of compounds does ammonia belong?
    12·2 answers
  • Describe the processes of succession that would occur after a new volcanic island emerges from the ocean.
    10·1 answer
  • How many moles are in 2.1 x 10^{24} molecules SiO4
    5·1 answer
  • Moles of Zn(NO3)2 in 131.50g of this substance.
    9·2 answers
  • Question: Looking at the above visual of "Atmospheres of the Solar System" What are two patterns
    11·2 answers
  • 1. In regards to curly hair, which of the following statements
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!