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nekit [7.7K]
3 years ago
11

A certain element has only two naturally occurring isotopes: one with 18 neutrons and the other with 20 neutrons. The element fo

rms 12 charged ions when in ionic compounds. Predict the identity of the element. What number of electrons does the 12 charged ion have?
Chemistry
1 answer:
AURORKA [14]3 years ago
5 0

Explanation:

I hope this one is useful, I will complete later

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Plz help me well mark brainliest if you are correct!
lara [203]

Answer:

c: heat and erosine

Explanation:

5 0
3 years ago
Isopropyl alcohol is mixed with water to produce a 35.0 % (v/v) alcohol solution. How many milliliters of each component are pre
PilotLPTM [1.2K]

229.25 mL of isopropyl alcohol

425.75 mL of water

Explanation:

Knowing that the solution have a 35.0 % (v/v) isopropyl alcohol in water, we can calculate the volume of each component as following.

volume of  isopropyl alcohol = (35/100) × solution volume

volume of  isopropyl alcohol = 0.35 × 655 mL = 229.25 mL

Now, knowing the volume of isopropyl alcohol we can determine the volume of water.

volume of the solution = volume of isopropyl alcohol + volume of water

volume of water = volume of the solution - volume of isopropyl alcohol

volume of water = 655 mL - 229.25 mL = 425.75 mL

Learn more about:

percent by volume concentration

brainly.com/question/1698457

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3 0
3 years ago
Which pair of atoms have the most polar bond
Nikolay [14]

H-Cl pair of atoms has the most polar bond.

7 0
3 years ago
Mechanical energy is the total amount of and energy in a system. science
nadya68 [22]

Answer:

Hey do you know if "horsleyjaydyn" is a girl you commented once she was a guy so

Explanation:

6 0
3 years ago
Which of the following is true for an excess reactant?
kupik [55]

Answer:

C) It is the reactant that is left over after the reaction stops.

Explanation:

The excess reactant is the reactant that is left over after the reaction stops. The extent of the reaction is not determined by this reactant.

A limiting reactant is a reactant that is in short supply within a given reaction.

Such reactants determines the extent of chemical reaction.

  • Limiting reactants are used up in a chemical reaction.
  • The excess reactants remains unchanged after the reaction.
8 0
3 years ago
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