Questions by Obelia

Questions by Obelia

An atom has a mass number of 25 and 13 neutrons. what is the atomic number of this atom? express your answer as an integer.

asked Jan 8, 2019

1 answer

1 vote

200k views

How did George Stephenson contribute to transportation advancements in Europe?

asked Nov 24, 2018

1 answer

0 votes

165k views

Which letter is borrowed from the English alphabet? A. Aa. B. Ww. C. Hh. D. Zz.

asked Sep 5, 2017

2 answers

4 votes

109k views

Which is not part of the description for communication 1.receiving a signal 2.sending a signal 3.responding to a signal 4.learning to signal

asked Aug 17, 2017

2 answers

4 votes

43.3k views

3.Which of the following freedoms does the First Amendment include? A.the freedom to bear arms and the freedom of speech B.the freedom of assembly and the freedom of religion C.protection against illegal

asked Oct 6, 2016

2 answers

4 votes

214k views

How is a solute different from a solvent in a solution?

asked May 7, 2016

2 answers

5 votes

210k views

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