nmaz45 nmaz45
  • 16-10-2020
  • Chemistry
contestada

1
An atom of element Q contains 19 electrons, 19 protons and 20 neutrons.
What is Q?
A calcium
B potassium
С
strontium
D
yttrium

Respuesta :

ArianaMcdonald2222
ArianaMcdonald2222 ArianaMcdonald2222
  • 16-10-2020

Answer:

b)Potassium is the right answer

Answer Link
KurdishPotato
KurdishPotato KurdishPotato
  • 16-10-2020

Answer:

B. Potassium

Explanation:

The element with 19 electrons, 19 protons, and 20 neutrons is potassium

Answer Link

Otras preguntas

Pawnshops generally offer what type of service?
In 4.0 years , 40.0 kilograms of elemnt a decays to 5.0 kilograms
Choose the definition of: Restrictive A. unlimited application B. limitation of application C. Varying in application
How did automobiles affect Americans’ ability to get from place to place? A.by making travel slower B.by taking away personal transportation C.by creating more
8) A useful characteristic of money is that money A. is only printed by the US government. B. is something that everyone wants. C. allows us to compar
Why was the battle of Saratoga a turning point in the war
What does avogadro's number represent?
What is the oxidation number of nitrogen in hno2?
When two aqueous solutions are mixed together the temperature of the solution decreases?
A) simplify n5 x n3 =