MiheyKuz6052 MiheyKuz6052

01-02-2022
Chemistry

contestada

an atom has 70 protons, 70 electrons, and 99 neutrons. what is the mass number? group of answer choices

Respuesta :

emmadaron13 emmadaron13

08-02-2022

Answer:

169

Explanation:

protons+neutrons=atomic mass

70+99=169

Answer Link

Otras preguntas

HELP ILL GIVE BRAINLIEST

Choose all that apply. Historical patterns are identified across which of the following? A. time and places B. ideas and events C. people D. institutions E. cul

ballet dancers learn five bassic positions for the arms and feed A. All of B. Of every C. All D. Every

How much money will there be in an account at the end of 10 years if $4000 is deposited at 6% compounded quarterly

the cost of plastering a wall of a room having length 8m and heights 4m at Rs 15 per m² is Rs 1560 . find the cost of carpeting the room at rs 300 per m²

You schedule production of communications chips. After the chips are produced, they go to the QC department, where each chip must pass a 2-hour test. Over the p

why is tolerating cheating bad?

9x+5y=34 8x-2y=-2What are the values of x and y? Please explain the steps.

Hi there! Can someone help me with my english homework please?

look at the question below in the image