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Answers by Dgmora

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The following electron configuration notation represents an atom of which element? 1s22s22p63s23p2 Answer choice: A:si B:be C:Al D:H
answered Jul 22, 2021
2 votes
225k views
How did trickle down economics differ from economic strategies used in previous administrations ?
answered Jul 20, 2021
5 votes
226k views
Which tool enabled researchers to observe the structure of cells for the first time?
answered Jul 7, 2021
6 votes
209k views
When one mole of ethylene gas, C2H4, reacts with fluorine gas, hydrogen fluoride and carbon tetrafluoride gases are formed and 2496.7 kJ of heat is given off. What is ΔHf° for CF4(g)?
answered Jun 30, 2021
4 votes
22.5k views
Which of these structures is least in danger of chemical weathering? a bridge made of iron rods a pile of tiles made of feldspar a bench made of composite plastic a statue made of marble
answered May 25, 2021
3 votes
157k views
Why do humans settle near waterways? Select three options. The water is needed for drinking and farming. The warm climate near water makes life comfortable. The rich soil near waterways makes for better
answered Apr 7, 2021
4 votes
191k views
The diagram shows the mechanical parts of scissors
answered Apr 4, 2021
4 votes
56.9k views
What is 1/2(10x +20y +10z) using the distributive property? also as an equivalent expression?
answered Mar 18, 2021
1 vote
35.4k views
By 1860 it became clear the nation was at an impasse and the south began preparing for secession. Identify and list the reasons for southern secession.
answered Oct 7, 2020
7 votes
173k views
Carbon atoms can form chains _______ of atoms long.
answered Sep 26, 2020
7 votes
67.5k views
What are the threats to coral reefs
answered Nov 21, 2019
3 votes
93.9k views
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