bucketofwaterd bucketofwaterd

01-10-2020
Chemistry

contestada

Identify the mass number of an ion with 20 protons, 22 neutrons, and 18 electrons.

Respuesta :

Nikeon202 Nikeon202

14-10-2020

Answer:

42

Explanation:

Relative mass = number of protons + number of neutrons

Relative mass = 20 + 22

Relative mass = 42

Answer Link

Otras preguntas

If the probability of giving birth to a boy is 0.52, what is the approximate probability of giving birth to 4 consecutive boys?

if the score is 90% and the total is 70 what is the number correct ?

The positive integer x is a multiple of 9 and also a multiple of 12. The smallest possible value of x is (A) 3 (B) 12 (C) 21 (D) 36 (E) 72

who decided the election of 1800 and why ?

The tropical climate zone is in which two states?

If the probability of giving birth to a boy is 0.52, what is the approximate probability of giving birth to 4 consecutive boys?

if the score is 90% and the total is 70 what is the number correct ?

Consider the relation {(–4, 3), (–1, 0), (0, –2), (2, 1), (4, 3)}.Graph the relation.State the domain of the relation.State the range of the relation.Is

Which one of the following is smallest in size ?N3- O2- F- Na

how does a star form?