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Llana [10]
3 years ago
6

Is it posible Count a grain of sand?explain

Chemistry
1 answer:
Alla [95]3 years ago
5 0

Answer:

Yes

Explanation:

As long as its a solid, you can count it. It will be hard, but possible.

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Plz answerrrr I dunnoooo
aleksley [76]
Midnight is your answer.

plz mark as brainliest. i really need it ;-;.

Just ask if you need more help
3 0
3 years ago
Read 2 more answers
The electron configuration of an element is 1s22s22p4. Describe what most likely happens when two atoms of this element move tow
Vlad1618 [11]

Answer:

When the two atoms move towards each other a compound is formed by sharing electron pairs supplied by each of the atoms to enable them have the stable 8 (octet) valency electrons in their outermost shell

Explanation:

The electronic configuration of the given element can be written as follows;

1s²2s²2p⁴

The given electronic configuration is equivalent to that of oxygen, therefore, we have;

The number of electrons in the valence shell = 2 + 4 = 6 electrons

Therefore, each atom requires 2 electrons to complete its 8 (octet) electrons in the outermost shell

When the two atoms move towards each other, they react and combine to form a compound by sharing 4 electrons, 2 from each atom, such that each atom can have an extra 2 electrons in its outermost orbit in the newly formed compound and the stable octet configuration is attained by each of the atoms in the newly formed compound.

4 0
3 years ago
Read 2 more answers
using the equaation 2h2+o2-->2h2o if 10.0g of hydrogen are used in the presence of excess oxygen how many grams of water will
astra-53 [7]

Answer:

90g of H2O

Explanation:

2H2 + O2 —> 2H2O

First, we calculate the molar masses of H2 And H20.

Molar Mass of H2 = 2g/mol

Mass conc of H2 from the balanced equation = 2 x 2 = 4g

Molar Mass of H2O = 2 + 16 = 18g/mol

Mass conc of H2O from the balanced equation = 2x18 = 36g

From the equation,

4g of H2 produced 36g of H2O

Therefore, 10g of H2 will be produce = (10x36)/4 = 90g of H2O

7 0
3 years ago
Explain how scientists use geologic time to determine the age of land forms.
valentina_108 [34]
I am sorry i wish i could help you but i dont know the answer either.
5 0
3 years ago
Solid carbon reacts with oxygen gas to form carbon dioxide gas . Write a balanced chemical equation for this reaction
Nikitich [7]

Solid carbon reacts with oxygen gas to form carbon dioxide gas.

The balanced chemical equation for this reaction:

C (s) + O_{2}(g) ---> CO_{2}(g)

7 0
3 years ago
Read 2 more answers
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