collinhambleton collinhambleton

01-09-2021
Chemistry

contestada

Potassium’s atomic number is 19, and its atomic mass is approximately 39. How many neutrons does potassium have?(1 point)

39

58

20

19

Respuesta :

mikhaeldonbosco mikhaeldonbosco

01-09-2021

Answer:

20 neutrons

Explanation:

Answer Link

Otras preguntas

Hassan's backyard swimming pool is 30 feet long, 20 feet wide, and 5 feet deep. There are 7.5 gallons of water in 1 cubic foot. How many gallons of water will t

'for a good cause if you are determined you are able to overcome any obstacle'. explain

Please answer:If a stadium holds 60000 people.1. If the stadium is 2/3 full, how many people are there?2. If the stadium is 3/4 full, how many people are there?

Multiply these fractions (Lowest Terms) a) 2 x 3/4 b) 3 x 3/5 c) 4 x 1/3 d) 6 x 2/5 e) 1/2 x 1/4 f) 4/5 x 2/3 g) 5/6 x 3/4 h ) 1/10 x 2/3 i) 2 1/5 x 1/

Rachel and David share 40 biscuits between them in the ratio 2:3, How many biscuits do they each get?

A particle travels in a circle of radius 82 cm and with a centripetal acceleration of 4.7 m/s2. How long does the particle take to complete one revolution?

find the point on the y-axis that is equidistant from (6,1) (-2,-3)

the graph below shows the distribution of students grades on their last math test. Based on the Empirical rule, what percent of students made.. *btwn 80 n 85 o

Which characteristic is shared by sonnets and haiku?

Find the length of the radius of the following circle. (x + 2)2 + y2 = 10