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
Irina-Kira [14]
4 years ago
11

What species has the electron configuration [ar]3d2?

Physics
2 answers:
Brrunno [24]4 years ago
8 0

The given configuration is : [Ar]3d²

The inner shells of this species has the noble gas, Argon (Ar) configuration while its valence configuration is 3d².

Now the atomic number of Argon = 18

Therefore, the species will have an atomic number = 18 + 2 = 20

Based on the periodic table the species with atomic number 20 is calcium

Ca = [Ar] 3d²

soldier1979 [14.2K]4 years ago
7 0

Answer:

Explanation:

The electronic configuration of the Argon (Ar) has atomic number 18 with all its layers filled

To fill the 3d2 level, you must first fill the 4s level with its two electrons, since it has less energy so the electronic configuration of the atom would be

[Ar] 4s² 3d² corresponding to Titanium

You might be interested in
if a ball is rolling at a velocity of 1.5 m/sec and has the momentum of 10.0 kg m/sec, what is the mass of the ball?
PolarNik [594]
Okay. There is a simple formula to go with this where:

p = mv

P: Momentum.
M: Mass.
V: Velocity

Sub the numbers in and solve for M.

10.0 = m(1.5)
10.0/1.5 = m
6.67 kg = m

Therefore the mass of the ball is 6.67kg.
6 0
3 years ago
A sample contains 16 g of a radioactive isotope. how much radioactive
mafiozo [28]

After one half-life, 8 g of radioactive isotope will remain in the sample.

<h3>What is radioactivity?</h3>

The act of producing radiation spontaneously is known as radioactivity. This is accomplished by an unstable atomic nucleus that want to give up some energy in order to move to a more stable form.

The following formula is used to compute the number of half lives elapsed:

\rm N=\frac{N_0}{2^n} \\\\ N=\frac{16}{2} \\\\ N= 8 \ gram

Hence,8 gram of radioactive isotope remains in the sample after 1 half-life.

To learn more about the radioactivity, refer  to the link;

brainly.com/question/1770619

#SPJ1

7 0
2 years ago
Read 2 more answers
5 litres of alcohol have a mass of 4kg. calculate the density of alcohol in g/cm.​
Aleks04 [339]

Answer: 0.8 g/cm

Explanation:

p= m/V

= 4 kg/ 5 liter

= 0.8

3 0
3 years ago
Read 2 more answers
Need help with 2 and 3<br>pls help, due in 1 1/2 hours<br>(GIVING 20 POINTS)​
Anarel [89]
2) acceleration = final velocity - initial velocity / time —> V-U/T
Acceleration is the change in velocity over the change in time so it can be represented by the equation a = Δv/Δt.
3) first one- F=10.5 N
second one- 4 m/s^2
third one- 1200N
7 0
3 years ago
The question is in the picture. :)
NISA [10]
Player A needs the least amount of energy. The ball is light weight and she is closest to the goal so the momentum need to kick the ball will be the least and the distance is has to travel is the shortest. But player C needs the most amount of energy. The ball is heavy so it will take the most momentum to move the ball and over such a long distance. Hope this help idrk.
5 0
3 years ago
Other questions:
  • What is the maximum number of lines per centimeter a diffraction grating can have and produce a complete first-order spectrum fo
    10·1 answer
  • One of the main reasons steel is used more widely than iron is because it’s lighter softer stronger than iron
    12·2 answers
  • A dart leaves a toy dart gun with initial velocity of 7.76 m/s, regardless of the angle it is fired. What is the maximum horizon
    13·1 answer
  • 2 Points
    13·2 answers
  • Two identical small charged spheres are a certain distance apart, and each initially experiences an electrostatic force of magni
    5·1 answer
  • As a river's slop increases, the power of the river to cause erosion usually ______.
    5·2 answers
  • On Ramesh’s13th birthday, his father invited all his friends and their relatives. It was a big party with lots of food and DJs.
    11·1 answer
  • What is the symbol for a change in position?<br> Ad<br> p<br> d<br> Ap
    5·1 answer
  • A car has wheels of radius of 0.380 m and they rotate once every 0.100 s. What is the linear velocity of the wheels? (Units = m/
    15·2 answers
  • Which star listed is the brightest intrinsically? Which is the intrinsically faintest?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!