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Chemistry

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Alexandro O'Reilly

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Cards in this guide (9)
What element is a radioactive element

What element is a radioactive element?

Which electron is on average further from the nucleus an electron in a 3p orbital or an electron in a 4p orbital

An electron in the 4p orbital is, on average, further away from the nucleus than an electron in the 3p orbital.

Which level in energy has the less energy n equals 4 n equals 3 n equals 2 n equals 1

n=1 is the the lowest level there is.

Write the complete electron configuration for the zinc atom

Zinc's complete electron configuration is 1s22s22p63s23p64s23d10

Element with half filled 5p level

Sb (antimony)

What is the symbol of the element that has five valence electrons in the 4s and 4p sublevels

It is As, Arsenic.

What element completes the 2p sublevel

Ca

What element has five electrons in energy level n 3

Phosphorus

Which element has one 2s electron

Lithium

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