annamikeska annamikeska

01-02-2018
Chemistry

contestada

how many neutrons does element x have if its atomic number is 22 and its mass number is 84

Respuesta :

kanokiseki kanokiseki

04-02-2018

Mass Number (given as 84) = # of protons + # of neutrons

Atomic Number (given as 22) = # of protons

Plug in values to first equation:
84 = 22 + n (where n equals to # of neutrons)

Solve for n (subtract 22 from both sides)
84 - 22 = n

Answer: n = 62

Answer Link

Otras preguntas

PLZZZZ HELP MEE IM ITS PAST DUE

News from around the region or Pacific

2 pts Question 2 Determine the type and degree of the following polynomial expression. 9x^4 y^9 type: degree:

what are the next three terms of 1,-2,4

Does healthcare affect your family or your community:

-”Actually, College Is Very Much Worth It” The writer of this opinion piece begins by laying out the arguments against his central claim, how does this affect

Wind system effects of geography on climate?

Explain why a complex food web is better than a simple food chain for the survival of the community.

Write the equation in slope-intercept form that represents the data in the table

Immigrants often settled in cities because? they were familiar and reminded them of where they had lived before. there was less discrimination there. they could