baileyalamillo baileyalamillo

23-09-2020
Chemistry

contestada

How many protons are in an atom of strontium?

Respuesta :

IndiaXA12 IndiaXA12

23-09-2020

Answer:

38

Explanation:

Symbol: Sr

Atomic mass: 87.62 u

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

Atomic number: 38

Electron configuration: [Kr] 5s2

Van der Waals radius: 255 pm

Valence electrons: two

Answer Link

Otras preguntas

When a student sold an Xbox on eBay for $145, she was charged a two-part final value fee: 5.25% of the first $25 of the selling price plus 3.25% of the remainde

Lauren jogs the rate at a 2 mile every 2/5 hour. what is her until rate?

The pumpkin patch is open every day. If it sells 2,750 pounds of pumpkins each day, about how many pounds does it sell in 7 days?

if the distance is 10 miles and it takes 1000 seconds to travel the distance what is the rate in miles per hour

Juan learns that his favorite local public park is going to be turned into a shopping mall. He is quite upset at the thought of losing his favorite park. This i

why did the cow keep jumping over the barrel

The sum of two consecutive integers is less than 83. find the pair of integers with the greatest sum.

Using the fewest coins, how many quarters are there in 88 cents?

Who were the first Europeans to come to the U.S.?

How did Charles II of England rise to power?