bassaaaa bassaaaa

07-04-2020
Physics

contestada

The total number of protons plus neutrons in an atom of ⁴⁵₂₀Ca is

A.) 20
B.) 25
C.) 45
D.) 65

Respuesta :

romainkelly7 romainkelly7

07-04-2020

Answer:

b

Explanation:easy

Answer Link

Otras preguntas

HELP ASAP PLEASE HELP FAST

ASAP!! PLEASE HELP Max deposited P20,000 in an investment that will give him P1,750-gain for every year that his money stays in the account. How much money wil

I need help with all the answers to 1 and 2

How sports and cultural clubs have a positive influence on the discipline in schools?

3 How many wars were fought against the Xhosa Kingdom?

A car covers a distace of 20km in 20 seconds. Calculate its speed in km/h m/s.

Please help brainliest will be given Complete the equation describing how x and y are related. x -1 5 0 1 2 3 4 3 8 V 2 13 18 23 28 y = 5x + [?] Enter the answe

Deep Space Aeronautics is developing a profit-sharing plan. Randy, the human resource manager, assumes the employees are excited to participate in this start-up

Urgent • how was kristallnacht carried out ?

Question 1 Multiple Choice Worth 5 points) (MC) Read the following passage and then answer the question: According to some sources, there are more than 80 milli