danny6718 danny6718

16-01-2018
Chemistry

contestada

What is the total number of protons in the nucleus of calcium -42?

Respuesta :

skylajohnston skylajohnston

25-01-2018

Since the atomic number of calcium is 20. The number of protons is also 20.

Answer Link

Otras preguntas

For the a and c results in the future to look like those in b what needs to happen

The acronym vdl stands for variation dependent leadership. a. True b. False

which of these is a hallmark of a chronic disease?

Which of the following sentences has an objective complement? We gave Timmy a dog biscuit. We named the dog Timmy. We asked a neighbor to watch Timmy while we

List the steps of the gram stain technique and describe the purpose of each. be sure to include a description of the color of the bacteria during each step.

Which expression is equivalent to ^5√13^3

Todays artist usually make work only on order or commission ? yes or No

(MC) Which lines from the play best support the interpretation that Caesar did not yet do anything worthy of being removed from power? A.) The exhalations whizz

what is a musical piece in which one solo instrument such as a piano or violin is accompanied by an orchestra

If the index of refraction of glass is 1.5, calculate the velocity of light in glass. _________ m/s light always travels as 3.00 x 108 m/s 4.5 x 108 5.0x 10-9 2