subject

Physics, 21.07.2019 08:30 marleenlove3

All atoms of the element potassium have 19 protons. one of the most stable types of potassium atoms has the mass number 39. how many neutrons make up one of these potassium atoms? 19 20 38 58

ansver

Answers: 1

Show answers

Another question on Physics

question

Physics, 22.06.2019 05:00

Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?

Answers: 1

question

Physics, 22.06.2019 11:10

Assume this car is driven off a cliff . how many arrows of force need to be drawn in the free body diagram? assume no air resistance -five -one -three -four

Answers: 1

question

Physics, 22.06.2019 12:30

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?

Answers: 1

question

Physics, 22.06.2019 14:30

What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?

Answers: 1

You know the right answer?

All atoms of the element potassium have 19 protons. one of the most stable types of potassium atoms...

Questions

question

English, 13.09.2019 07:10

After a moving appeal from reverend dimmesdale, what does hester prune do?...

question

Mathematics, 13.09.2019 07:10

5is in lowest terms. o a. false o b. true...

question

Health, 13.09.2019 07:10

If you do not place greater than normal demands on the body during exercise, will your fitness improve?...

question

Business, 13.09.2019 07:10

Sara's job includes dividing up the work and assigning tasks to each employee. she identifies people responsible for each task, decides the reporting...

question

Social Studies, 13.09.2019 07:10

In a certain city, 80 percent of the households have cable television and 60 percent of the households have videocassette recorders. if there are 150,...

question

Business, 13.09.2019 07:10

Suppose congress votes to decrease corporate income tax rates. use the ad/as model to analyze the likely impact of the tax cuts on the macroeconomy. s...

question

English, 13.09.2019 07:10

Where do you see evidence of chicago as "wicked" and "brutal” in a raisin in the sun?...

question

English, 13.09.2019 07:10

In “the first seven years” by bernard malamud, how is the climax of the story also an epiphany for feld?...

question

Mathematics, 13.09.2019 07:10

Round the mixed number to the nearest whole or half 8/14 0 1/2 1 1 1/2...

question

Physics, 13.09.2019 07:10

(3.8 * 10^-2 cm) * (4.4 * 10^-2 cm) * (7.5 * 10^2 cm)...

question

Chemistry, 13.09.2019 07:10

Find the missing word. is a major characteristic used to differentiate between a plain and a plateau...

question

Mathematics, 13.09.2019 07:10

What expression is equivalent to (2x^2+4x-7)(x-3)...

question

Chemistry, 13.09.2019 07:10

La temperatura de una caldera en función del tiempo está dada por la siguiente ecuación: t(t)=(3t-5)2+8 determine en qué tiempo la caldera alcanzará...

question

Mathematics, 13.09.2019 07:10

It’s a basic trigonometric functions question for pre-cal, need some : /

question

History, 13.09.2019 07:10

The calusa people of present-day florida used huge amounts of shell to...

question

Chemistry, 13.09.2019 07:10

Gaseous ethane ch3ch3 will react with gaseous oxygen o2 to produce gaseous carbon dioxide co2 and gaseous water h2o. suppose 1.2g of ethane is mixed w...

question

Biology, 13.09.2019 07:10

Describe what is happening in the graph and explain how the graph relates to enzymes.

question

Mathematics, 13.09.2019 07:10

If b is the midpoint of ac, find bc (ab=3x-1 and ac=8x-20)...

question

English, 13.09.2019 07:10

Iusually take steps to avoid elevators. where is the pun?...

question

Mathematics, 13.09.2019 07:10

2x10 to the 6 power + (3x10+(5x10 to the 3+...

More questions: Physics Another questions

Questions on the website: 13722362