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Alchen [17]
3 years ago
8

The electron configuration for Helium (He) is shown below. 1s2 Which diagram shows the correct distribution of electrons in the

electron shells of a helium atom? mc024-1.jpg mc024-2.jpg mc024-3.jpg mc024-4.jpg Mark this and return
Chemistry
2 answers:
Gennadij [26K]3 years ago
7 0

Answer:

its c

Explanation:

steposvetlana [31]3 years ago
3 0
The anwser is A!  i came to a conclusion that that is the right anwser

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Please help me I'm really confused on how to do this. Can someone break it down for me? (stoichiometry)
bazaltina [42]

Answer:

so with every stoichiometry problem with a mass it will make it so you can do the conversion factor with reactants or products.

if you dont understand unit conversions try to study how to set it up. anyways

a.) C12H22O11 has a mass of 342.01 Grams per mole

divide 1.202 G by 342.01 G to get 0.004 miles

b.) you're just taking the AMU of each element in the chemical multiply it by how many there is of it in the chemical, then divide it by the mass of a mole of the chemical.

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6 0
4 years ago
Earth's oceans contain many dissolved elements like calcium, sodium, and chlorine. These elements plus several others combine to
Korolek [52]
C because minerals contain sodium
4 0
3 years ago
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When a gas in a cylinder is compressed at constant temperature by a piston, the pressure of the gas increases. Consider the foll
Marizza181 [45]

Answer:

Answer below!!

Explanation:

The volume of a gas is inversely proportional to presure keeping the temperature the same.

Hope I helped!!!

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4 0
3 years ago
In the compound Co2O3, cobalt has an oxidation number of ______, while oxygen's oxidation number is -2.
Margaret [11]
In the compound Co2O3, cobalt has an oxidation number of 3, while oxygen's oxidation number is -2. 

An oxidation number is a number assigned to an element in chemical combination that represents the number of electrons lost (or gained, if the number is negative) by an atom of that element in the compound.
8 0
3 years ago
Richard is teaching his son, Cody, to throw darts. At first, he gives Cody a piece of candy each time the dart hits the dartboar
Vlad1618 [11]

Answer:

Shaping

Explanation:

Shaping is a term used to describe the process where a response is stimulated through small rewards or punishments. In other words, shaping refers to a situation where a person is gradually trained to establish some kind of behavior or skill through small incentives. An example of this can be seen in the question above, where a parent shapes his child's aim by offering candy whenever he hits the target.

7 0
3 years ago
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