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Please answer quickly, I don't understand how to do this properly. Potassium forms ions with a charge of +1 (Ka+). Iodine forms ions with a charge of -1. Selenium forms ions with a charge of -2 (Se2-).
answered
Oct 19, 2019
Chemistry
middle-school
5
votes
45.4k
views
(2)/(10) = (4)/(a-3) Solve the proportion, then leave the fraction in a fraction as simplest form. Thanks! :)
answered
Aug 23, 2019
Mathematics
high-school
4
votes
125k
views
What helps to propel blood through the vessel shown here? what helps to propel blood through the vessel shown here? the large size of the lumen contraction of the smooth muscle in the tunica media contraction
answered
Jun 28, 2019
Biology
high-school
6
votes
75.6k
views
Five less than the product of 6 and a number is no more is no more than twice that same number
answered
Apr 1, 2019
Spanish
high-school
2
votes
180k
views
And let every other power know that this Hemisphere intends to remain the master of its own house. Which best describes the feeling Kennedy intends to convey in this sentence? A.openness and flexibility
answered
Oct 28, 2018
English
high-school
3
votes
117k
views
During the first winter, how many of the original settlers of the Plymouth colony died?
answered
Oct 13, 2018
History
high-school
3
votes
20.8k
views
A vertical tree is growing on the side of a hill with gradient 10 degrees to the horizontal. From a point 50 m downhill from the tree, the angle of elevation to the top of the tree is 18 degrees. Find
answered
Jul 18, 2018
Mathematics
high-school
7
votes
80.6k
views
How does this artifact illustrate a contribution of the Byzantine Empire?
answered
Jun 29, 2018
History
middle-school
4
votes
161k
views
How many sex chromosomes do we have?
answered
Feb 25, 2018
Biology
middle-school
5
votes
209k
views
Calculate the average bond order for a p−o bond (such as the one shown in blue) in a phosphate ion. express your answer numerically as a decimal or improper fraction.
answered
Feb 2, 2018
Chemistry
college
4
votes
138k
views
Which was a reform to the education system in the United States that began in the early 1800s? A. integrated classrooms B. twelve-month school year C. standardized reading books D. study abroad programs
answered
Jan 29, 2018
History
high-school
6
votes
164k
views
Which part of a molecule provides energy for life process
answered
Feb 2, 2017
Biology
high-school
4
votes
107k
views
How to evaluate the expression 15(37+8) devided by 3
answered
Jun 22, 2016
Mathematics
middle-school
4
votes
192k
views
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