3 years ago

What holds a proton together?

1 answer:

8 0

The answer is C. Strong nuclear force. Subatomic particles in the core of an atom (protons and neutrons) are held together by this type of force. The force is known to be one of the 4 fundamental forces of our universe.

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What are prevailing winds?

Tems11 [23]

Answer:

D) winds that blow in the same direction at a consistent speed

Explanation:

i took the quiz got it right so i know the answer please trust me i know this is right i promise with all my heart

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3 years ago

List some good ideas for Science Fair for Sixth Graders

grigory [225]

You could test how high the soda shoots up when you drop mentos in different types of soda. i did it when i was in 6th grade

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4 years ago

What is the mass of 4.32 mol GaI3? <br> 455 g <br> 1,230 g <br> 1,720 g <br> 1,950 g

denis23 [38]

Answer:

D. 1,950 g

Explanation:

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3 years ago

What is the density of a book with a mass of 60g and a volume of 20 cm3?

Vaselesa [24]

Answer:

2.5 g/cm3 .

Explanation:

Density is mass in grams over volume in cubic centimeters. So it is 25 g 10 cm 3 =2.5 g/cm 3 The unit is grams per cubic centimeter. NB - density can also be kilograms over cubic meters Hope this helps!

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3 years ago

A polyatomic ion can be found in which of the following choices?

emmasim [6.3K]

Answer:

Indeed, most ionic compounds contain polyatomic ions. Well-known examples are sodium hydroxide (NaOH) with OH- as the polyatomic anion, calcium carbonate (CaCO3), and ammonium nitrate (NH4NO3), which contains two polyatomic ions: NH+ and NO3-.

Explanation:

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3 years ago

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