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
Bad White [126]
3 years ago
11

The ion that has the same e- arrangement as Ar:

Chemistry
2 answers:
alina1380 [7]3 years ago
7 0
Well, I recommend reading the text :P
Alisiya [41]3 years ago
5 0
the answer is E- all of these

to check if these ions have the same e- configuration, check them in the periodic table and see where they land when you take or add electrons. 

for example, K is one space away to be like Ar, which is just one space behind. having a positive charge +1, means that it has one less electron. if you remove this electron, it is like Ar because is one space.

another example-> S-2  means you have add two electrons because charge is negative, so you add. two spaces after S land in Ar. so it is same e- configuration as Ar.
You might be interested in
3. Could a molecule<br> contain only one atom?
Blababa [14]
A molecule is defined as two or more atoms of the same element different element that are bound together. A molecule may be homonuclear, which means, it consists of atoms of one chemical element, as with oxygen (O2); or it may be heteronuclear, a chemical compound composed of more than one element, as with water (H2O).
8 0
3 years ago
Convert 3.8 meters to cm
mixas84 [53]
3.8 Meters converts to 380 Centimeters.
6 0
3 years ago
What text features were used? font color, shadow, and bold font color, italics, and outline font color, italics, and bold font c
AlladinOne [14]

Answer:

Explanation:

question isnt clear

4 0
3 years ago
The chemical equation for a reaction between K2Cr2O7 and HCl is shown. K2Cr2O7 + 14HCl → 2CrCl3 + 2KCl + 3Cl2 + 7H2O
guapka [62]

<u>Answer: </u>The correct answer is Option b.

<u>Explanation:</u>

Oxidizing agent is defined as the chemical reagent which helps the other chemical compound to get oxidized and itself gets reduced. The oxidation state for these species gets reduced because they are undergoing reduction reaction.

For the given chemical equation:

K_2Cr_2O_7+14HCl\rightarrow 2CrCl_3+2KCl+3Cl_2+7H_2O

Oxidation state of Chromium is getting reduced from +6 to +3 and oxidation state of chlorine getting increased from -1 to 0.

Hence, K_2Cr_2O_7 acts like and oxidizing agent because it is itself getting reduced to CrCl_3

Therefore, the correct answer is Option b.

4 0
3 years ago
Q- Which two positions show the location of the moon in its gibbous phases as seen from Earth?
Phoenix [80]

Answer: 6 & 8

Explanation:

I got it correct on my test hope this helped

4 0
3 years ago
Other questions:
  • New York state index fossil Valcouroceras is classified as
    5·1 answer
  • Plz answer these questions : <br><br>​
    11·1 answer
  • Why are there only two elements in the first period of the periodic table?
    11·2 answers
  • What is the role of an organism in an community
    11·1 answer
  • Why is it o2 and not o?<br>and what does the 2 stand for?​
    15·2 answers
  • Which form of emission is commonly not written in nuclear equations because they do not affect charges, atomic numbers, or mass
    13·2 answers
  • Which two scenarios illustrate the relationship between pressure and volume as described by Boyle’s law?
    8·1 answer
  • Can someone help me??
    12·2 answers
  • Select the correct empirical formula for each molecular formula given.
    12·1 answer
  • Epidemiological studies looks into:
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!