ctrlsammy ctrlsammy

10-12-2021
Chemistry

contestada

An atom which has 9 protons, 8 neutrons, and 9 electrons will have an atomic mass of how many amu?

a. 6

b. 8

C. 9

d. 17

Respuesta :

teigenstaloch teigenstaloch

10-12-2021

Answer:

D

Explanation:

Protons and Neutrons both have a mass of about 1 amu so you add them but electrons have a mass of 0 amu so they are left out.

Answer Link

Otras preguntas

Segment BDSegment BD is a perpendicular bisector of segment ACsegment AC . AB=6xAB=6x and CB=x+15CB=x+15 . What is the length of CB¯¯¯¯¯CB¯ ?

What is the charge of an electron?

so in the equation b - 9 + 6b = 30, is b-6b gonna be 7b or still 6b? Please explain why thx

A small business is not characterized by

One of the tallest radio towers is in Fargo, North Dakota. The tower is 629.9 m tall. If a bird lands on top of the tower, so that the gravitational potential e

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons?

What is the fastest speed an turtle can travel

Most one-party systems are associated with

which process skill requires the use of the senses

Sue wrote a double fact .It has a sum less than 10 and greater than 4.The addends are each less than 5.What fact might she have written?