habibaazimi habibaazimi

03-04-2020
Chemistry

contestada

How many Neutrons does Calcium have if it has 20 electrons and an atomic number of 41?

Respuesta :

03-04-2020

Calcium has 21 Nuetrons, because 41 - 20 = 21

Answer Link

Otras preguntas

Determine the resolution of a manometer required to measure the velocity of air at 50 m/s using a pitot-static tube and a manometer fluid of mercury (density: 1

A satellite of mass m, originally on the surface of the Earth, is placed into Earth orbit at an altitude h. (a) Assuming a circular orbit, how long does the sat

Draw the structure of the alkene with the molecular formula C6H10 that reacts with Br2 to give this compound.

At the end of the financial year, A & Z Travel has earned $90,000 in total sales for tours. It offered 5% a discount of total sales. All the expenses report

Venus Inc., a producer of high-end computer software, provides merchandising aids to its distributors in the form of interactive videos on the application of th

the temperature at the foot of a mountain is 5.9 ° C. The temperature decreases by 1.7 ° C for every increase of 200m in height. If the height of the mountain i

Find DE. A.4 B.5/3 C.7 D.11

The free trade pact known as Mercosur has been successful at creating a full customs union between Brazil and Argentina. True False

Evaluate the expression shown below and write your answer as a fraction in simplest form.

solve the equation 11n - 17 = 49