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aleksandrvk [35]
4 years ago
12

How many total electrons are in a Sr2 ion?

Chemistry
1 answer:
MrRissso [65]4 years ago
7 0
Sr2 has 36 electrons in total. 
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My teacher laid this much out for us but I don’t know how to get the products in each one.
irakobra [83]

Answer:dang

Explanation:

3 0
3 years ago
All matter is made up of atoms and molecules that are constantly moving. You have a helium-filled balloon in your car on a cold,
Semmy [17]

The equilibrium relation allows us to find which statement is correct:

    B)  The balloon will shrink.

The stable equilibrium condition that the sum of forces in a system is zero

            ∑ F = 0

Where F is the force

Helium is a noble gas, which has a liquefaction temperature of 4.2K, therefore in almost all cases we find it in the gaseous state

The balloon is in an equilibrium between the outside atmospheric pressure and the pressure of the helium gas inside, when the temperature decreases the energy of the helium molecules decreases and has a lower speed, therefore creating a lower pressure inside, for therefore the balloon decreases its size until the pressures equalize.

Let's examine the claims

A) False. The balloon expands with increasing temperature

B) True. The balloon should contract until it equalizes the internal and external pressure

C) False. Helium gas becomes liquid at very low temperatures (4.2K)

D) False. One of the statements describes the process well

In conclusion the equilibrium relationship we can find which statement is correct:

    B)  The balloon will shrink.

Learn more here: brainly.com/question/24115409

8 0
3 years ago
Describe the structure of the beryllium atom. In your answer make reference to the number of sub-atomic particles and where they
dusya [7]

Answer:

The nucleus consists of 4 protons (red) and 5 neutrons (orange). Four electrons (white) occupy available electron shells (rings). The stability of an element's outer (valence) electrons determines its chemical and physical properties. Subatomic particles are particles that are smaller than the atom. Protons, neutrons, and electrons are the three main subatomic particles found in an atom. Protons have a positive (+) charge. An easy way to remember this is to remember that both proton and positive start with the letter "P."

hope this helped:)

brainliest?

8 0
3 years ago
A.Which facilities contribute the most to recycling and the least to recycling based on the pie chart graphic?
nirvana33 [79]

Answer:

a) To determine the facilities that contribute the most to recycling check the pie chart and select the facility with the largest portion while to determine the facilities that contribute the least to recycling check the pie chart and select the facility with the smallest portion

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c) It saves energy through recycling. It helps sustains the environment. It decrease the emission of green house gases

Explanation:

The question is not complete

a) Pie chart is the graphical representation of information in which the information is represented in a circle. The circle is divided into segments and the portion with the largest segment has the highest percentage.

To determine the facilities that contribute the most to recycling check the pie chart and select the facility with the largest portion while to determine the facilities that contribute the least to recycling check the pie chart and select the facility with the smallest portion

b) Extraction and processing of raw resources to make end products requires a lot of energy.  With recycling energy is saved because the products which are recycled usually require less energy to turn them into usable materials

c) It saves energy through recycling. It helps sustains the environment. It decrease the emission of green house gases.

6 0
3 years ago
The missing box would be the number and this is a form of decay.
qaws [65]

Answer:

alpha decay or particle

Explanation:

7 0
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