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

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