murillodestiny31 murillodestiny31

09-12-2020
Chemistry

contestada

What is the average atomic mass of strontium

Respuesta :

clausain clausain

09-12-2020

The answer is 87.62 u

Answer Link

sonusonia2001 sonusonia2001

09-12-2020

Answer:

Atomic number: 38

Electrons per shell: 2,8,18,8,2

Symbol: Sr

Answer Link

Otras preguntas

Archerfish can spray a fine jet of water to knock insects off of low lying branches into the water. They then eat the insects. O Commensalism O Mutualism O Para

Which number in the list represents the smallest quantity? \{{{-\frac{1}{12}}}\), \({{-0.12}}\, \({{-\sqrt{\frac{1}{16}}}}\, \({{-0.08}}\) Record your answer in

An example of a negative coping strategy could be eating an entire carton of cookie dough ice cream every time one gets a bad grade in school. Please select the

Why did the members of the Third Estate rise up against the government? Question 1 options: They were angry that they could not elect Napoleon Bonaparte as the

Suppose that supply changes such that at each price, 20 fewer towels are offered for sale. In other words, the new supply is now ????S=10P−20QS=10P−20 . Derive

find the coordinates of A if M (-1,2) is the midpoint of AB and if B has coordinates of (3,-5)

The wavelength of the color red is about 6.5 × 10−9 m. The wavelength of the color blue is about 4.75 × 10−9 m. Show that the wavelength of red is longer than t

What is the missing value that makes the equation true? 32 + 12 – 6 = 52 13 +

Read the excerpt from "How the Grimm Brothers Saved the Fairy Tale." Despite difficult personal problems and meager financial support from 1805 to 1812, the bro

If you spend 780 minutes per year waiting at traffic lights, how many hours is this?