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EastWind [94]
3 years ago
7

TRUE or FALSE: The charge of an atom (ion) is determined by the ratio of electrons to protons.

Chemistry
2 answers:
Damm [24]3 years ago
8 0
True The positive electric charge of a proton is equal in magnitude to the negative charge of an electron; therefore, the net electric charge of an ion is equal to its number of protons minus its number of electrons. Ions are highly reactive species.
zubka84 [21]3 years ago
5 0
The answer would be false
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According to vsepr theory, a molecule with the general formula ax4e2 will have a _____ molecular shape. easynotes
Lena [83]
According  to Vsepr  theory, a molecule  with the general  formula ax4e2 will  have a square planar molecular  shape.The  molecule  of  this  geometry has  their atoms which are  positioned at the  corners  of the  square  on  the  same  plan about  a  central  atom.
7 0
3 years ago
What causes “gaps in the rock record” and how is that described?
Mamont248 [21]

Answer:

An unconformity is a widespread surface separating rocks above and below, which represents a gap in the rock record. Unconformities occur when either erosion wears away rocks, or rock deposits never form. Therefore, a time gap exists between when the rocks below the unconformity formed and when those above it formed.

Explanation:

5 0
2 years ago
N the reaction Mg + 2HCl -> MgCl2 + H2 which element’s oxidation number does not change?
BartSMP [9]

Answer:- Oxidation number of Cl does not change as it is -1 on both sides.

Explanations:- oxidation number of Mg on reactant side is 0 as it is in its elemental form(not combined with another element).

Oxidation number  of hydrogen in its compounds is +1, so if H is +1 in HCl the oxidation number of Cl is -1 as the sum has to be zero.

On product side, Mg oxidation number is +2 as the oxidation number of alkaline earth metals in their compounds is +2.

Two Cl are present in magnesium chloride, so if Mg is +2 then Cl is -1.

Oxidation number of H on product side is 0 as it is present in its elemental for, H_2 ,

So, it is only chlorine(Cl) whose oxidation number does not change for the given equation.


4 0
3 years ago
PI3Cl2 is a nonpolar molecule. Based on this information, determine the I−P−I bond angle, the Cl−P−Cl bond angle, and the I−P−Cl
alexdok [17]

Answer: Yes I-P-Cl = 90

Explanation:

This is because the angle formed between I-P-Cl is perpendicular hence the angle is 90°

3 0
3 years ago
If element A has an ionic charge of +2 and element B has an ionic charge of -3, what will be the formula for the compound create
Softa [21]
A3B2 because the oxidation numbers are the same as ionic charge just switch symbol and number. Then use the cross cross method and you get A3B2.
8 0
3 years ago
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