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3 years ago

As the solar system formed, most of its mass became concentrated in one part of it. What is that that part?

Chemistry

2 answers:

andriy [413]3 years ago

7 0

That part of the solar system is the sun. Of all the mass in
the total solar system, more than 99% of it is in the sun.

Anastasy [175]3 years ago

3 0

The sun...........................

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Write the full ground state electron configuration of co3+ in abbreviated form

torisob [31]

Co3+ is Cobalt with three electrons removed (It's positive by 3). So, the abbreviated notation for Cobalt, minus three electrons (Coming from 4s and 3d) is: [Ar]4s1, 3d5

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3 years ago

The ____ particles of an atom which are called electrons

blsea [12.9K]

Answer:

Subatomic particles

Explanation:

I hope it helped

5 0

3 years ago

A molecule, that is sp3d2 hybridized and has a molecular geometry of square pyramidal, has ________ bonding groups and ________

bogdanovich [222]

Answer: The correct answer is 4, 2.

Explanation:

Hybridization is calculated by using the formula:

$\text{Number of electron pairs} =\frac{1}{2}[V+N-C+A]$

where,

V = number of valence electrons present in central atom

N = number of monovalent atoms bonded to central atom

C = charge of cation

A = charge of anion

It is given that the hybridization of a molecule is $sp^3d^2$ , this means that the number of electron pairs are 6. The molecular geometry of the molecule having electron pairs as 6 is octahederal.

If the molecular geometry of the molecule is square pyramidal, then it would acquire 4 electron pairs as the bonding groups and the rest pairs would be considered as lone pairs.

Hence, the correct answer is 4, 2.

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3 years ago

Why elements in the same group have the same charge

frozen [14]

In many cases, elements that belong to the same group (vertical column) on the periodic table form ions with the same charge because they have the same number of valence electrons.

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3 years ago

The physical process of evaporation involves -

Fynjy0 [20]

Evaporation is the process of atoms or molecules in a liquid, or solid state (depending on the state of the substance sublimes) gains enough energy to become gaseous.

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3 years ago