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
il63 [147K]
3 years ago
7

What are magic number​

Chemistry
2 answers:
atroni [7]3 years ago
7 0

Something that is invisible that you can not see.

Kipish [7]3 years ago
4 0

<em>What are the magic numbers?</em>

The magic numbers are 3, 6, and 9.

You might be interested in
What happens to in the protoplanetary
blagie [28]
What will happen to a protoplanetary is that it may also be considered an accretion disk for the stars itself, because gasses or other material may be falling from the inner edge of the disk onto the surfaces of the stars. 
3 0
3 years ago
How would I find the answer?
ELEN [110]

Answer:

Kr

Explanation:

The noble gas that is isoelectronic with Br⁻ is krypton.

This is because krypton is the closest noble gas to Br on the periodic table.

Electronic configuration of Bromine is;

            2, 8, 18, 7

  Br⁻ becomes;  2, 8, 18, 8

  Krypton is;       2, 8, 18, 8

4 0
3 years ago
The number of _______________ in the nucleus determines an element's atomic number. this number defines the name of the element,
AleksandrR [38]

The number of <u>protons</u> in the nucleus determines an element's atomic number.

4 0
3 years ago
All chemical reactions use reactants in a specific proportion or stoichiometry to regulate the amount of products produced. The
larisa86 [58]

Answer: The answer is a. limiting, excess. I took the test.

Explanation:

6 0
3 years ago
State two uses of periscope​
adoni [48]
Uses Of Periscope
It is used in submarines to determine the distance of a torpedo and helps in deciding the right time for the attack.
It is used in a nuclear reactor to observe the chemical reactions that are taking place.
In military periscopes are used to observe from their hiding position. Hi
7 0
3 years ago
Other questions:
  • List the following aqueous solutions in order of decreasing freezing point: a. 0.040 m glycerin (C3H8O3) b. 0.020 m potassium br
    14·1 answer
  • What is the electron configuration of chlorine (CI)?
    5·1 answer
  • Be sure to answer all parts. In the average adult male, the residual volume (RV) of the lungs, the volume of air remaining after
    10·1 answer
  • What is stratosphere
    13·1 answer
  • Which shell is the outermost for oxygen?<br> A 192<br> B. 292<br> C. 252P<br> D. 2P
    15·1 answer
  • Pepsi puts 355ml or pop in a can. how many gallons is this?
    14·1 answer
  • Gases are unique because it is the only phase that
    8·1 answer
  • At a given temperature, the elementary reaction A ---&gt;B in the forward direction is first order in A with a rate constant of
    13·1 answer
  • For the following substitution reaction, which statement is FALSE? The use of a polar aprotic solvent will enhance the rate. The
    13·1 answer
  • 1. Hay un gas con 700 milímetros de Mercurio de presión en 922 ml de volumen a 20 grados Celsius. Calcula la temperatura final a
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!