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
guajiro [1.7K]
3 years ago
8

The number of electrons with the number of protons in a charged object

Physics
1 answer:
Dafna11 [192]3 years ago
7 0
All matter consist of a nucleus made up of protons and neutrons.The electron revolve around the nucleus in orbits(or shells).
An atom is electrically neutral because the number of electrons in an atom is equal to the number of protons in the nucleus,therefore the simplest atom of all is Hydrogen atom,which consists of one proton and one electron.
You might be interested in
A simple pendulum takes 128s to complete 40 oscillations what is the time period of the pendulum
Serhud [2]

Explanation:

Parameters

Number of oscillation = 40 oscillations

Time of oscillation = 128s

Formular

Period (T) = <u>No of oscillation</u>

Time taken

T = <u>128</u>

40

T=3.2s

3 0
3 years ago
One of the great triumphs of spectroscopy was when astronomers identified a new element in the sun (one that was only later foun
Nezavi [6.7K]

Answer:

When Helium is identified by astronomers is one of the great triumphs of spectroscopy.

Explanation:

Janssen managed to do this great triumphs on August 18, 1868 . Janssen was the first person to introduce the helium, an element that never seen before on Earth, in the solar spectrum. At that time, he didn’t know that what he’d seen—he just think that it was something new. In the mid of 1800, the spectroscope instrument is introduced in astronomy.

Later on we heard that all helium in Universe has been created by the fusion of hydrogen nuclei.

To know more about Spectroscopy:

brainly.com/question/14677550

#SPJ4

6 0
2 years ago
What is used to turn the pointer of a galvanometer?
Sever21 [200]

Answer:

b. an electric current is used to turn the pointer of a galvanometer

Explanation:

well , galvanometer is an important device which is used to detect an electric current through a conductor or circuit.

something special about it is that it can detect very minute current too

7 0
3 years ago
Read 2 more answers
A box is 30cm wide , 50cm long and 20cm high Calculate :
stellarik [79]

Answer:

A) 1500cm ^2

B) 30000 CM ^3

7 0
3 years ago
The path of a stunt car that is driven off a cliff follows a curve typical of a projectile launched horizontally
hodyreva [135]

Answer:

option B: The same (see picture)

6 0
2 years ago
Other questions:
  • What is the momentum of a 248 g rubber ball traveling at 30.0 m/s?
    6·1 answer
  • Which layer of the Sun appears pinkish-red during a solar eclipse?
    5·2 answers
  • A car starts from rest and after 10 seconds is traveling at 20 m/s. Assuming that it continues to accelerate at the same rate it
    8·1 answer
  • Hi guys. Help with any of these questions! Pressure in physics year 7 :) <br> Thanks!
    7·1 answer
  • Help meh, no links and please give the right answer.
    8·1 answer
  • Ill give brainliest! 1. Which item below describes a quick change to
    10·2 answers
  • Convert one mean solar day into second​
    12·1 answer
  • P wave for 100km time= distance/speed , T=100km/6.1km/s
    13·1 answer
  • Two students have fitted their scooters with the same engine. Student A and his
    11·1 answer
  • A vector is something with a magnitude and direction. Explain in 1 or 2 sentences the analogy between a vector and the voltage d
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!