[Answered] The Andromeda Galaxy (M31) is what type? a. Spiral b. Irregular c. Elliptical d. Regular ...

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Author Question: The Andromeda Galaxy (M31) is what type? a. Spiral b. Irregular c. Elliptical d. Regular ... (Read 30 times)

audie

Hero Member
Posts: 532

on: Jul 28, 2018

The Andromeda Galaxy (M31) is what type?
a. Spiral
b. Irregular
c. Elliptical
d. Regular spiral

Question 2

When a hydrogen electron is in its first excited state, its principal quantum number is
a. zero.
b. 2.
c. 13.60 eV.
d. 1.

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Marked as best answer by a Subject Expert

wuly

Sr. Member
Posts: 327

Reply #1 on: Jul 28, 2018

Answer to Question 1

a

Answer to Question 2

b

audie

Member
Posts: 532

Reply 2 on: Jul 28, 2018

TYSM

cam1229

Member
Posts: 329

Reply 3 on: Yesterday

Great answer, keep it coming

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