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Lorico [155]
2 years ago
11

What is the difference between the number of electrons in an atom of tin (Sn) and the number of electrons in an atom of oxygen (

O)?
Chemistry
1 answer:
pishuonlain [190]2 years ago
4 0

Answer:

What is the difference between the number of electrons in an atom of Tin (Sn) which has an atomic number of 50, and the number of electrons in an atom of Chlorine (Cl) which has an atomic number of 17. Which statement accurately describes the atoms of a specific element?

Explanation:

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Solve the following problem and round the correct number of significant
RUDIKE [14]

Answer:

4.5 + 2.34 = 6.8

Sig Figs:

2

Decimals:

1

Scientific Notation:

6.8 × 10ⁿ

Words:

six point eight

5 0
3 years ago
How many grams of hydrogen gas are needed to react completely with 54.0 g of oxygen gas, given the following balanced chemical r
Shkiper50 [21]

Answer:

6.75g of hydrogen will completely react with 54g of oxygen

Explanation:

6 0
2 years ago
A molecule in which the central atom forms three single bonds and has one lone pair is said to have a ________ shape.
nignag [31]

Answer : The correct option is, (c) pyramidal

Explanation :

As we are given that a molecule in which the central atom forms three single bonds and has one lone pair that means the central metal atom has 3 bond pairs and 1 lone pair of electrons.

There are total 4 electron pairs. So, the hybridization will be sp^3 and the electronic geometry of the molecule will be tetrahedral.

But as there are three atoms or bonds around the central atom and the fourth position occupied by lone pair of electrons. The repulsion between lone and bond pair of electrons is more and hence the molecular geometry will be pyramidal.

Hence, correct option is, (c) pyramidal

5 0
3 years ago
Given the number of a substance , how do you solve for the number of a moles of a substance
chubhunter [2.5K]
Given the number of a substance, we can solve the number of moles by using a conversion factor that would relate the number of a substance to the number of moles. In any case, Avogadro's number would be used. It <span>represents the number of units in one mole of any substance. This has the value of 6.022 x 10^23 units / mole. This number can be used to convert the number of atoms or molecules into number of moles. For example, we are given 1.23 x 10^24 atoms of a substance converting it to moles we do as follows:

 </span>1.23 x 10^24 atoms ( 1 mol / 6.022x10^23 atoms ) = 2.04 moles
5 0
3 years ago
Polycarbonate plastic has density of 1.2g/cm cube
Nastasia [14]

Answer:I did not understand the question nicely by from whatever i understand the answer is yes

Explanation:

5 0
3 years ago
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