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

32.Alpha particles and beta particles differ in A. mass, only B. charge, only C. both mass and charge D. neither mass nor charge

1) Find the equation of the line with slope equal to 3 and passing through point (3, 4). Write the equation in slope-intercept form. 2)Find the equation of the

How did the Renaissance shape European art thought and religion

In which compound is the percent compositionby mass of chlorine equal to 42%? (1) HClO (gram-formula mass = 52 g/mol) (2) HClO2 (gram-formula mass = 68 g/mol) (

Which is smaller 3 1/2 or 3 7/8

Read the following paragraph: One of the most popular dishes that people eat in Honduras is beans and rice. Each day, many Hondurans eat beans and rice for brea

The volume of a cube is 1000cm3. Find: A) the length of one edge B) the total surface area in cm2

What is the percent by mass of oxygen in H2SO4 ? [formula mass = 98](1) 16% (3) 65%(2) 33% (4) 98%

Line l contains the points (3,1) and (4,4). If line m is a different line, parallel to line l in the same coordinate plane, which of the following could be the

The three isomers of pentane have different (1) formula masses (2) molecular formulas (3) empirical formulas (4) structural formulas