# How many electrons would it take to the equal the mass of a proton?

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Approximatley 1836
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# How many electrons would it take to equal the mass of a helium nucleus?

about 20,000 electrons P.S Your an idiot^^^^ who ever put that, it is 7300 electrons

# True or False The mass of an electron is about equal to the mass of a proton?

False - an electron is about 1/1836 the mass of a proton.

# Are the mass of protons and electrons equal?

No. Far off. A proton is 1,836 times heavier than an electron

# Is the mass number equal to the number of protons and electrons?

it is the sum of the number of neutrons and protons. Mass number is the sum of number of neutrons and protons while atomic number is equal to number of protons or electrons..

# How many earths would it take to equal the mass of the sun?

It would take about 333,000 earths to match the mass of\nthe sun.

1800 electrions

# Is the mass of an electron about equal to the mass of a proton?

No, it isn't. The mass of an electron is significantly smaller thanthat of a proton. The mass of 1,800 electrons is about the same as the mass of onesingle proton. The antipa

# How many electrons equal the mass of one Proton?

1836 electrons equal the mass of 1 proton. A proton has a mass of 1.0073 amu, a neutron 1.0087 amu, and an electron 5.486 x 10 -4 . So, it would take 1836 electrons to equa

approx. 1 836

# Do protons and electrons equal the atomic mass?

Protons and neutrons equal atomic mass. Although an atom has the same amount of protons as electrons, saying that electrons + neutrons = atomic mass would be incorrect as t

# Is a neutron mass equal to a protons plus electrons?

No, it is slightly greater.

10,000000000
In Physics

# Protons and electrons are equal in mass but opposite in charge?

They are opposite in charge. Protons have a positive charge and electrons have a negative charge. The mass of a proton is 1838 times that of an electron. Mass of electron:

17 electrons.

# How many earths would it take to equal the mass of mercury?

I dont think there can ANY earths that can be the mass of mecury. mercury is smaller than earth

# Are protons electrons neutrons and quarks equal in mass?

No. Protons and neutrons have similar mass, electrons are lighter, also quarks.

# How many electrons equals one proton?

Charge, the two particles are equal. Spin, the same. Mass, it would take 1836 electrons to equal one proton.