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3 years ago

How many neutrons and electrons are in ruthenium??? PLEASE HELP IM DROWNING IN WORK!!!!!

2 answers:

6 0

The Ruthenium Ru is a chemical element belonging to the Platinum group. If you look on the periodic table, his atomic number is Z=44. Atomic number represents too the number of Protons, and since an atom is electrically neutral, the number of protons is equal to the number of electrons. So Ruthenium got 44 electrons.
The mass number of the ruthenium based on the periodic table is A=101.
A = Z+N with N the number of neutrons. So N = A-Z = 101 - 44 = 57.
So the Ruthenium contains 57 neutrons.

Just for more information, the Ruthenium is commonly used in Jewelry and in electricity in case of severe wear resistance.

Hope this Helps! :)

Ierofanga [76]3 years ago

5 0

57 nuetrons and 44 elctrons just incase you need it there are 44 protons too.Hope this halps

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In the nuclear fission process mass is converted into energy. Determine the total mass that must be converted to energy in one y

brilliants [131]

Answer:

1) Mass that needs to be converted at 100% efficiency is 0.3504 kg

2) Mass that needs to be converted at 30% efficiency is 1.168 kg

Explanation:

By the principle of mass energy equivalence we have

$E=mc^{2}$

where,

'E' is the energy produced

'm' is the mass consumed

'c' is the velocity of light in free space

Now the energy produced by the reactor in 1 year equals

$Energy=Power\times time\\\\\therefore Energy=1\times 10^{9}\times 365\times 24\times 3600\\\\Energy=31.536\times 10^{15}Joules$

Thus the mass that is covertred at 100% efficiency is

$mass=\frac{Energy}{c^{2}}\\\\mass=\frac{31.536\times 10^{15}}{(3\times 10^{8})^{2}}\\\\mass=\frac{31.536\times 10^{15}}{9\times 10^{16}}\\\\\therefore mass=0.3504kg$

Part 2)

At 30% efficiency the mass converted equals

$mass|_{30}=\frac{mass|_{100}}{0.3}\\\\mass|_{30}=\frac{0.3504}{0.3}\\\\mass|_{30}=1.168kg$

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Which of the following is necessary for the greenhouse effect?

Mice21 [21]

It is the atmosphere

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2 years ago

An ultrasound wave vibrates 30,000 times per second. what is the frequency

erica [24]

Frequency is given in units of Hertz (Hz) and is defined as the number of cycles per second. The sound wave has 30,000 cycles per second, so its frequency is 30,000Hz.
This is more conveniently expressed as 30kHz, where the k indicates a multiplier of 1,000.

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