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
aksik [14]
4 years ago
11

How many number of electron shells does calcium have ?

Physics
2 answers:
Furkat [3]4 years ago
8 0
20 electrons have calcium
Natalka [10]4 years ago
7 0
20 electrons and 2 valence electrons
You might be interested in
What is the critical mass of a species?
NemiM [27]

Answer:

I am fairly certain it is A but i would wait for an expert to answer

4 0
3 years ago
In 1600, Dr. William Gilbert coined the term “electrica,” a word that gave rise to our word electricity.
mrs_skeptik [129]

They recorded the first references to electrical effects, such as static electricity and lightning, over 2,500 years ago. It was not until 1600 that a man named Dr. William Gilbert coined the term “electrica,” a Latin word which describes the static charge that develops when certain materials are rubbed against amber.

3 0
3 years ago
Why do people walks bare feel pain
matrenka [14]

Answer:

As we age the fat pad underneath the bones at the front of our feet (metatarsal heads) and under the heel bone become thinner or “migrate” away from where they are most needed

8 0
3 years ago
In the modern atomic model the number of ________ in a neutral atom is the same as the number of protons.
MrRissso [65]

In the modern atomic model the number of electrons in a neutral atom is the same as the number of protons.

An atom contain, three fundamental particles, electron, proton, and neutron, neutron is charge less, there the charge of the atom is determined by the number of proton, and number of electron, Atoms are electrically neutral, it is only possible when number of electrons in an atom is equal to the number of proton.

3 0
3 years ago
What is the answer . y+-3=6
Gre4nikov [31]

y=9 because you would need to subtract 3 from both sides because its a -3, adding 3 would cancel it out on one side leaving y=9. 9 is the answer:)-May

7 0
3 years ago
Read 2 more answers
Other questions:
  • You jump into the deep end of Legion Pool and swim to the bottom with a pressure gauge. The gauge at the bottom reads 39,240 N/m
    15·1 answer
  • A transverse wave has a wavelength of 0.50 m and a frequency of 20 hz. what is the wave speed?
    12·1 answer
  • Opposite chargers and like charges
    11·2 answers
  • please help!!!!!what is the main function of a telescope? A.it brings scientists closer to distant obejects B. it magnifies ligh
    7·2 answers
  • Asteroid A has 3.5 times the mass and 2.0 times the velocity of Asteroid B. If
    13·1 answer
  • A sled of mass 8 kg slides along the ice. It has an initial speed of 4 m/s but
    7·1 answer
  • 2)
    10·1 answer
  • a concrete slab 20 m long and weighing 400,000 N is supported by one pillar. A 19,600 N car is parked 8 meters from one end, whe
    14·1 answer
  • Which appear goes along with this picture
    10·1 answer
  • Convert 3.8 kg to Lbs
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!