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taurus [48]
3 years ago
15

If an atom has 12 protons and 13 neutrons

Chemistry
1 answer:
Alborosie3 years ago
5 0

Answer:

MAGNESIUM  

Explanation:

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you can work a total of no more than 20 hours per week at you two jobs. Baby-sitting pays $5 per hour,and your job as a cashier
Dovator [93]
Where x represents the number of hours working as a babysitter and y represents the number of hours working as a cashier...

5x + 6y <u><</u> 90
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3 years ago
You leave gasoline in an open can and it vaporizes. What type of change is this?
UNO [17]

Answer:evaporation

Explanation:

3 0
3 years ago
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What is the number of moles of NaOH in 16.5 mL of 0.750 Molar NaOH?
Alchen [17]

Answer:

0.0165 (L) * 0.750 (mol/L) = 0.0124 mol NaOH in 16.5 mL

Explanation:

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3 years ago
Determine which physical conditions are necessary to support nuclear fusion and formation of stars.
Ilia_Sergeevich [38]

Answer:

Promotes Stellar Formation:

-Increased Gravitational Attraction

-Higher Temperature

Does Not Promote Stellar Formation:

-Decreased Gravitational Attraction

-Lower Temperature

Explanation:

Stars need at least three million kelvins to form, and the gravitational attraction helps form the star in the first place.

5 0
3 years ago
How does the brønsted-Lowry theory define acids and bases?
Leviafan [203]

They define acids as proton donors, and bases as proton acceptors

If you were to have:

HNO3 + H2O -> H3O+. + NO3-

You can see that the nitric acid (HNO3) gave a hydrogen ion which has 1 proton, 0 neutrons and 0 electrons to the water so we just say that it gave a proton.

Now let's see a base

NH3 + H2O -> NH4+ + OH-

Now, you can see that the ammonia (NH3) gained a hydrogen ion (proton) from the water to become ammonium(NH4). which means it accepted a proton

That's basically it. Feel free to ask if you have any further questions

8 0
4 years ago
Read 2 more answers
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