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

If anyone needs me to write them a story or a poem I’d love to.

Rob goes to work each day by two different routes. As he leaves the apartment parking lot there is a traffic light. If he has a green light but not a turn arrow

I WILL GIVR BRAINLIEST TO THE FIRST ANSWER Excerpt from Walden Henry David Thoreau One day, when my axe had come off and I had cut a green hickory for a wedge,

PLEASE BE CONFIDENT ABOUT YOUR ANSWER Which of the following statements is FALSE? the value of the ID attribute.... a. may not start with a number b. must be u

Introduction to Forces Warm-Up Active How do forces affect the motion of an object?

what was the political organization of most ancient Greek settlements? having trouble with this question

Isolate the y-variable in the equation 2x + y = 7. Answer please like ASAP

Internal memory is synonymous with which memory

The overall value of a brand to an organization the extra money that consumers will spend to buy that brand is called brand a. equity b.experience c. awareness

The Martian Corporation, a space vehicle development company, is starting a new division that will develop the next-generation launch missile engine configurati