yy04momo2 yy04momo2

21-05-2019
Chemistry

contestada

How many neutrons does element X have if its atomic number is 25 and its mass number is 91?

Respuesta :

destiq20 destiq20

21-05-2019

Answer:

66

Explanation:

The number of neutrons is the atomic number (25) subtracted from the mass (91). So, 91 - 25 = 66.

Answer Link

Otras preguntas

True or false: scientists develop ideas and prove some of them to be true:

A ride at an amusement park moves the riders in a circle at a rate of 6.0 m/s. The radius of the ride is 9.0 meters. Which of the following shows the direction

Which hormone can cause decreased sexual desire when present in either low or high levels?

. Which skin infection is caused by fungi and results in a reddish circle appearing on the skin? athlete’s foot tetanus ringworm mumps

which identifies the element of liturature best represented by this detail.

which system for tax collection suggests that all states are equally important to the union

The nervous system that carries impulses or messages to the central nervous system is the:

A wave whit a wavelength of two meters from in water with a depth of twenty meters.What type of wave is it?

What did american artists and writers in the 1920s explore?

What nation did Texas break away from in the mid-1800's?