funwitfayy funwitfayy

03-09-2020
Chemistry

contestada

A atom has 20 electrons, 21 neutrons, and 20 protons. What is the atomic mass of the atom?

Respuesta :

poudelbinda8 poudelbinda8

12-09-2020

name= calcium

atomic mass= 40.078 atomic mass unit

no of protons= 20

no of electrons=20

Answer Link

Otras preguntas

select the correct answer from each drop down menu complete the paragraph about imperialismin the late fifteenth century, a major world power that established c

A nurse teaches a nursing student about the criteria that a client should meet in order to be admitted to a hospice. Which statement made by the nursing student

If Mary is 3m from her reflection, how far is mary from the mirror?

If the u.S. President is suspected of certain treasonous acts or other "high crimes", the House of Representatives may choose to indict them Or do which of the

- What I said is correct.

why did the parliament approve the writs of assistance?

What is y-1 =2(x +3) in standard form?

daniella wants to run a total of 3,600 laps during the next 52 weeks. What is the total number of laps she will run if she runs 70 laps each week for 50 weeks?

According to our class discussion, service-based economy is synonymous with a). pre-industrial era b). industrial era c). post-industrial d). socialism

please help 45 points! at least three sentences please! What were Ushabti? What purpose did they have?