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Does every neutral helium atom
Does every neutral helium atom in the universe have the same set of absorption lines as every other neutral helium atom (with
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asked by
Jamie
551 views
Which statement correctly describes an atom of the element helium?
A. An atom of helium has its valence electrons in it's first
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asked by
Yui
1,982 views
An element has an atomic number of 3. An ion of this element has a 1+ charge. How was the ion formed?
the neutral atom gained one
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asked by
dj
91 views
How many protons are in a neutral atom of helium (He)? How many electrons?
1 answer
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Assume the diameter of a neutral helium atom is 1.40 x 10^(2)pm. Suppose that we could line up the helium atoms side by side in
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asked by
Cassidy
4,549 views
Assume diameter of a neutral helium atom is 1.40x10^2pm. Suppose that we could line up helium atoms side by side in contact with
2 answers
asked by
Mariah
1,577 views
assume the diameer of a neutral helium atom is 1.40 x 10 to the second power pm. suppose that we could line up helium atoms side
1 answer
asked by
Anonymous
555 views
The diameter of a neutral helium atom is about 128 pm. Suppose we could lin up helium atoms side by side in contact with one
1 answer
asked by
paulie
482 views
A neutral atom of helium has 2 protons and ______ electrons. (Enter a whole number.)
1 answer
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An ionized helium atom has a mass of 6.6*10^-27kg and a speed of 4.4*10^5 m/s. The atom moves perpendicular to a 0.75-T magnetic
2 answers
asked by
Kelly
1,773 views