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Give the chemical symbol of an element in the third period (row) of the periodic table with three valence electrons. Express your answer as a chemical symbol
answered
Jan 8, 2018
Chemistry
middle-school
1
vote
79.1k
views
Some people referred to Prohibition as a “noble experiment” because it led to people home-brewing alcohol. was never expected to improve morals. tried to force people to improve their morals. had the support
answered
Dec 13, 2017
History
high-school
2
votes
204k
views
What do cave passages at several different depths most likely indicate? A. different rates of erosion B. multiple aquifers below ground C. changes in the water table over time D. several deposits of limestone
answered
Nov 11, 2017
Geography
high-school
2
votes
21.1k
views
What is the purpose of a conclusion paragraph in an argumentative essay
answered
Sep 15, 2017
History
high-school
2
votes
59.9k
views
We get a lot help from species and ecosystems.they.
answered
Jul 30, 2017
Social Studies
middle-school
6
votes
135k
views
What is the average speed of a kangaroo that hops 60 m in 5 s ?
answered
Apr 17, 2015
Physics
middle-school
3
votes
117k
views
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