Democritus because of Greek atomism. In the 5th century BCE, Leucippus and his pupil Democritus proposed that all matter was composed of small indivisible particles called atoms.
I have written the answer in the comments i hope it will be helpful to you ......
Answer:
What will happen to Uk if you double the mass?
Explanation:
Uk = 0.5 * m * v²
You see that both m and v are variable, which means that both m and v can be any number. Regardless of the numbers you put in for m or v, the formula to calculate the kinetic energy (Uk) remains valid.
You could ask
1. What will happen to Uk if you double the mass?
2. What will happen to Uk if you double the velocity?
please see and understand(!) that the relationship between Uk an v² is indeed the velocity squared....
EXTRA
Uk = 0.5 * m * (v)²
Suppose the m = 3kg and velocity = 5 m/s
What is the Uk?
Well if you know the formula you can use your calculator to find out:
Uk = 0.5 * m * (v)²
Uk = 0.5 * 3 * (5)²
Uk = 0.5 * 3 * 25
Uk = 37.5 kgm/s²
Again you ask what will happen to Uk if you double the velocity?
At first it was 5 m/s and now it doubles, which means it now has that value *2
The new velocity is 5 *2 = 10 m/s
Uk = 0.5 * m * (v)²
Uk = 0.5 * 3 * (10)²
Uk = 0.5 * 3 * 100
Uk = 150 kgm/s²
150 = 4 * 37.5
So now you see that if you double your velocity, the Uk will be 2² = 4 times as big !
We have that
- The Element with 49 protons is Indium
the isotope symbol in the one-line format
- We have that this is a cation
From the question we are told
An ionic isotope has 49 protons, 50 electrons, and 55 neutrons.
• What is the name of the element?
What is the isotope symbol in the one-line format (e.g., hydrogen-2)?
Is this a cation or is this an anion? Explain how you know.
Generally
Generally an isotope is an a variant form of a element bearing different number of Neutrons but same Proton
Therefore
For an isotope with 49 protons, 50 electrons, and 55 neutrons.
- The Element with 49 protons is Indium
the isotope symbol in the one-line format
- We have that this is a cation
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