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2 years ago

Which is true of protons and neutrons?

Chemistry

2 answers:

svet-max [94.6K]2 years ago

8 0

Answer:

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Reptile [31]2 years ago

5 0

Answer:

the answet is no.3.by The have different mass and different charge.

O sette

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Based on the diagram below, which would have the most inertia?

jeka94

Answer:

The sphere on the left has the most inertia because it has more mass.

Explanation:

Inertia is a property of matter of a substance.

According to Newton's first law of motion, a body continues to stay in the state of rest or constant velocity unless acted upon a external force.

The amount of inertia that an object possess is proportional to the mass of the object.

The sphere on the left is of 300 kg and that on the right is of 30 kg.

Clearly, the sphere on the left has more mass.

Therefore, the sphere on the left has the most inertia.

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3 years ago

Read 2 more answers

Examine the following isotopes of silicon (Si).

Vesnalui [34]

Answer:

They all have the same number of protons but different numbers of neutrons.

Explanation:

These are called isotopes. Isotopy is the existence of two or more atoms of the same element having the same atomic number but different mass numbers due to the differences in the number of neutrons in their various nuclei.

The atomic number is the number of protons in an atom. For a neutral atom, it is the same as the number of electrons.

The mass number is the number of protons and neutrons in an atom.

silicon-28 (28Si)

silicon-29 (29Si)

silicon-30 (30Si)

All of these isotopes have an atomic number of 16

Now let us chech for the neutrons:

Number of neutrons = mass number - atomic number:

for silicon-28 (28Si) : 28-16 = 12 neutrons

silicon-29 (29Si) : 29-16 = 13 neutrons

silicon-30 (30Si): 20-16 = 14 neutrons.

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3 years ago

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Uranium is an element that is often used in nuclear power plants. Uranium atoms are very large, and the substance can be dangero

Allushta [10]

same number of protons and different number of neutrons are called isotopes

6 0

3 years ago

In a movable pulley system, where does the other effort come from?

seropon [69]

Answer:

In a movable pulley system, where does the other effort come from? is carried by this end of the rope. This means that the structure (ceiling) does half the effort.

Explanation:

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2 years ago

Complete the following equation: 250/96Cm ——-> ? + 4 1/0n

vfiekz [6]

Answer:

²⁵⁰₉₆Cm → ²⁴⁶₉₆Cm + 4 ¹₀n

Explanation:

The complete equation is;

²⁵⁰₉₆Cm → ²⁴⁶₉₆Cm + 4 ¹₀n

The above equation is an example of a nuclear reaction in which unstable atom of Cm emits neutrons to become more stable.
Radioactive isotopes undergo radioactivity or decay to attain stability, they do so by emitting particles such as alpha, beta particles or a neutron.
An atom of Cm-250 undergoes decay and emits four neutrons to form an atom of Cm-246.

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3 years ago