kiki270148 kiki270148

09-12-2020
Physics

contestada

How many electrons are in an element with an atomic number of 20 and an atomic mass of 40? options: ANSWER FOR BRAINLIES
A. 40
B. 20
C. 60
D. 0

Respuesta :

jameciaalana jameciaalana

09-12-2020

Answer:

B

Explanation:

Answer Link

kokocrown34 kokocrown34

09-12-2020

Answer: B
Step by step explanation:

subtract mass number and atomic number

40-20= 20

Answer Link

Otras preguntas

James I of England angered many of his subjects by a. claiming that he ruled by divine right b. refusing to declare war against Catholic Spain c. trying to prom

At school, there have been a lot of rumors going around about how certain sexually transmitted diseases are spread. Which skill would be MOST valuable to help y

a committee appointed for a particular or temporary purpose in either the house or the Senate is referred to as a

I need help setting this problem up. Please help! A mother pushes a stroller up a hill, with the center of the stroller 1 meter ahead of her body. She maintains

Benito Mussolini was also known as Il ______________.

Benito Mussolini was also known as Il ______________.

m=7n make n the subject

which side won the Korean War

use venerable in a short/easy sentene PLEASE HURRY (less than 12 words

which mountains serve as the traditional dividing point between Europe and asia