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

What is the complementary strand of DNA 5’-CACTTA-3’

Views that demonstrate prejudice in favor of or against some attribute, background, or other characteristic are best referred to as which of the following selec

Find the product. Input your answer, 3 x7/8

HELP!! In what ways are fats and steroids similar to each other, and in what ways are they different?

what's 1/4 × 2/3 in simplest form

According to the concept of diminishing marginal utility, consumers will purchase more of a good when the price falls because

1. What is the central idea of the section "Service Record." Use two text details tosupport your answer.

love this called sketch a graph of the polynomial function f(x)=x^3-6x^2+3x+10. Use it to complete the following:• increasing • positive • decreasing • negative

Polyatomic ions a. are a result of ionic bonds. b. contain covalent bonds. C. contain both ionic and covalent bonds. d. are always charged. e. both band d.

Consider this situation: A child is holding onto a tree rope and swinging through the air. Of the forces listed, identify which act upon the child. a. Normal F