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Ray Of Light [21]
3 years ago
10

Yea I need help plzzz!

Chemistry
2 answers:
DENIUS [597]3 years ago
6 0
Shape is the answer!!!
kirill115 [55]3 years ago
4 0
The right answer is shape
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Write the electron configuration for Silicon
morpeh [17]

Answer:

Si₁₄ = 1s² 2s² 2p⁶ 3s² 3p²

Explanation:

Silicon is present in group 14 of periodic table.

It is blue-gray color metalloid.

Its atomic mass is 28 g/mol.

It is mostly used to make allow.

The most important alloy are Al-Si and Fe-Si. These are used to make different machine tools, transformer plates, engine etc.

Its atomic number is 14 and electronic configuration can be written as,

Electronic configuration:

Si₁₄ = 1s² 2s² 2p⁶ 3s² 3p²

The noble gas electronic configuration or abbreviated electronic configuration can also be written.

Si₁₄ = [Ne] 3s² 3p²

The atomic number of neon is 10. Its electronic configuration is,

Ne₁₀ = 1s² 2s² 2p⁶

That's why we write [Ne] for 1s² 2s² 2p⁶ in abbreviated electronic configuration of Si.

5 0
3 years ago
Organisms can be classified either as multi-celled or single-celled. Which of the following groups contains at least some single
VLD [36.1K]
Ok, So bacteria and fungi are unicellular or single-celled. While Animals are multi-celled.  
6 0
3 years ago
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In hydrogen peroxide (H2O2), which option best shows how the atoms are ordered?
Snowcat [4.5K]

Answer:

H-O-O-H

Explanation:

8 0
3 years ago
What is the number of moles of gas contained in a 3 L vessel at 300 K with a pressure of 1.50 atm? (Given: R = 0.08205 L∙atm/mol
Tomtit [17]
P= 1.50 atm
V= 3 L
R= 0.08205<span> L∙atm/mol∙K
T= 300 K
n= ?

we all this information, we can tell that we need to use ideal gas formula

PV= nRT

if we rearrange the formula for n, we get--> n= PV/ RT

let's plug in the values. 

n= 1.5 x 3/ (0.08205 x 300)= 0.18 moles
</span>
3 0
4 years ago
When does cell growth occur
Vlad [161]
<span>in the top part of the lungs.</span>
5 0
3 years ago
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