kelly2403 kelly2403

16-09-2019
Chemistry

contestada

what is the mass number of element in an atom that has 20 protons and 17 neutrons?

Respuesta :

pranav109503 pranav109503

16-09-2019

Answer:

37 amu

Explanation:

Why: mass number is the number of protons + the number of neutrons. 20+17=37

Hope this helped you!:)

Answer Link

Otras preguntas

linea ab pases through points a (-6,7) and b(-6,-3) as shown on the coordinate grid below

The urinary system does all of the following, except that it: a. eliminates organic waste products. b. excretes excess albumen molecules. c. regulates blood v

Acme Sales calls its customers after they purchase an automobile from the dealership. In addition, every year customers are asked to complete a short survey abo

What year was the first presidential news conference and who was the president

1. Which 4 amino acids have already been added to the growing protein?

standard form of x^2 + 16x + 71

PLEASE ANSWER writing question: why might you gain weight after starting a workout program?

What is the inner layer of the earth

Listen to the subtraction word problem jane has nine counters three of her counters are red the rest of her counters are yellow

Depreciation is the decrease or loss in value of an item due to age, wear, or market conditions. We usually consider depreciation on expensive items like cars.