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3 years ago

An orbital is the space occupied by a pair of electrons. true or false??

Chemistry

1 answer:

Anvisha [2.4K]3 years ago

7 0

Answer:

True

Explanation:

An orbital is is the space occupied by a pair of electrons. The maximum number of electrons in an orbital is 2.

The maximum number of electrons in in the orbitals are two.

For s-sublevel with one orbital we have two electrons

p-sublevel with three orbitals we have six electrons

d - sublevel with five orbitals we have ten electrons

f - sublevel with seven orbitals we have fourteen electrons

Each orbital can take a maximum of two electrons.

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Why can’t there be a temperature lower than absolute zero

Firdavs [7]

Atoms cannot physically get more compact (temperature lowering increases the space between atoms) At absolute zero, the atoms are as physically close together as allowed by the physical laws governing it.

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2 years ago

Give the chemical symbol of an element in the third period (row) of the periodic table with four 3p electrons.

Ann [662]

<u>Answer: </u>The chemical symbol of the element is Sulfur.

<u>Explanation:</u>

The element which is present in third period of the periodic table having four 3p electrons is Sulfur. Sulfur is the 16th element of the periodic table which has 6 valance electrons.

The electronic configuration of this element is: $[Ne]3s^23p^4$

This element is considered as a non-metal because it will accept electrons in order to attain stable electronic configuration.

Hence, the chemical symbol of the element is Sulfur.

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2 years ago

Question 8

nexus9112 [7]

72 degrees C (minus 273)

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3 years ago

when you put a book on a table the table pushes on the book is that newton's 1st,2nd,or 3rd law of motion ?

ohaa [14]

The table pushes the book and the book pushes the table
It's 3rd law

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2 years ago

How many molecules are in 18moles of CH.

-Dominant- [34]

Answer:

1.08 x 10²⁵molecules

Explanation:

From the mole concept we know that ;

1 mole of any substance contains 6.02 x 10²³ molecules

This number is the Avogadro's number.

So;

18 mole of CH will contain:

Number of molecules of CH = 18 x 6.02 x 10²³ = 1.08 x 10²⁵molecules

The number of molecules is therefore 1.08 x 10²⁵molecules

8 0

2 years ago