aayanhabib379 aayanhabib379

04-06-2021
Chemistry

contestada

How many neutrons are present in an atom with atomic number 9 and mass number 19?

Respuesta :

Eddie1Wan Eddie1Wan

04-06-2021

Answer:

10 neutrons

Explanation:

N=Z-A ie. number of neutrons=mass number-atomic number

N=19-9=10

Answer Link

Orozco811 Orozco811

04-06-2021

10 what Eddie said is correct

Answer Link

Otras preguntas

Which compound yields H + ions as the only positive ions in an aqueous solution? (1) KOH (3) CH3OH (2) NaOH (4) CH3COOH

What are the two parts of the U.S. Congress?

the sum of two integers is -1. the product of the integers is -72 find the integers.

We elect a U.S. Senator for how many years?

Which ion has the smallest radius? (1) O2- (2) S2- (3) Se2- (4) Te2-

what is the cause to air pollution??? please help me!!!!

Which condensed structural formula represents an unsaturated compound? (1) CH3CHCHCH3 (3) CH3CH3 (2) CH3CH2CH3 (4) CH4

What force is thought to be an important cause plate tectonic motion ?

Find the GCF of each set of trinomials 60x^2y^2 , 35xz^3

What movement tried to end racial discrimination?