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
Vinvika [58]
3 years ago
9

How do we find the number of electrons in an atom?

Chemistry
1 answer:
Anon25 [30]3 years ago
5 0

I Believe this is the right answer:

Get a periodic table of elements. ...

Find your element on the periodic table. ...

Locate the element's atomic number. ...

Determine the number of electrons. ...

Look for the atomic mass of the element. ...

Subtract the atomic number from the atomic mass.

Hoped this helped!

You might be interested in
On the periodic table, the majority of elements are classified as
Roman55 [17]
<span>On the periodic table, the majority of elements are classified as "Metals"

In short, Your Answer would be Option A

Hope this helps!</span>
8 0
3 years ago
Read 2 more answers
A) Devices that transfer kinetic energy have what for their source of power?
GarryVolchara [31]

Answer:

A) Devices that transfer kinetic energy have a source of power that is in motion

Kinetic energy is the energy in motion, as such, a device that transfers kinetic energy transfers the energy the power source has into other energy forms

B) Kerosene does not easily cold start like diesel which can burn after compression

C) The first law of thermodynamics states that energy is conserved and it can neither be created nor destroyed, but can be changed from one form to another.

Therefore, when energy is not available in a given location or body, it cannot be obtained from that body or location

Explanation:

4 0
3 years ago
You check the air pressure in your car tires on Monday morning and the pressure
olga55 [171]
In warmer weather gases tend to expand and take up more room, thus increasing pressure. but in colder weather they will condense or contract and take up less space, therefore lowering the pressure of the tire in this situation.
5 0
3 years ago
3.00 moles of nitrogen and 4.00 moles of oxygen are placed in a 35.0 L container at a temperature of 298 K. What is the pressure
Leto [7]

Answer:

i think the answer is c hoped this helped

Explanation:

7 0
3 years ago
Zn + O2= ZnO<br><br> How many moles of zinc are needed to make 500. g of zinc oxide?​
s2008m [1.1K]

Answer:

5.15 moles

Explanation:

2zn + o2 = 2zno

5.15 2.57 5.15 moles

nzno=500/(16x2+65)= 5.15 moles

-> nzn = 5.15 x 2 ÷ 2 = 5.15 moles

6 0
3 years ago
Other questions:
  • Which substance can be broken down by chemical means?
    13·1 answer
  • What isotope has 13 protons and 14 neutrons? enter the name of the element followed by a hyphen and the mass number (e.g., urani
    8·1 answer
  • you are given a sample containing 0.70 moles of a substance. How many atoms are in the sample if the substance is zinc?
    7·1 answer
  • The half-life of Palladium-100 is 4 days. After 12 days a sample of Palladium-100 has been reduced to a mass of 4 mg. What was t
    8·1 answer
  • Which of the following definitions best describes a parallel of latitude?
    10·2 answers
  • Someone please help will mark as brainliest
    6·1 answer
  • Draw the Lewis structures of N2, O2, H20, and CH4. Compare your drawing to the ones in the drawing on this test and select
    6·1 answer
  • Which of the following gases effuses most rapidly?
    15·1 answer
  • Please explain and answer
    9·1 answer
  • Serotonin acts as a weak base and has a pkb = 3. 84. what is the ph of a solution made by adding 0. 025 m of serotonin in water?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!