15-04-2021
Chemistry

contestada

72.2% of element X is mass number 85. 27.8% is mass number
87. What is the average atomic mass of element X? (Round to
the correct number of significant figures.)

Respuesta :

khamryinsimsstudent khamryinsimsstudent

15-04-2021

Answer:

11

Explanation:

Answer Link

Otras preguntas

PLEASE HELP!!!! Both pages please .Thanks !!!!

How is energy associated with food stored?

Which underlined word is a compound noun?group,rowboat,vessel,sailors

-7(1+3p)<=98 <= means greater then or egual to ok

When meeting a candidate to become your lawyer for the first time, it is important to _____.

What is the relationship between iambic pentameter and blank verse

Peer pressure is the influence of people much older or much younger?

Getting enough rest and eating healthy foods help to maintain a healthy immune system.

marie wants to space markers evenly along a 5-mile race course .she puts a marker at the start line. how far apart should the 21 markers be?

what is 5s divide by 7=30