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Consider the group 1A elements sodium (period 3), potassium (period 4), and rubidium (period 5). What would you predict about the ionization energies of these elements? Na < K < Rb Na > K > Rb C. Rb < Na < K D. Na = K = Rb
asked
Nov 19, 2020
Chemistry
middle-school
2
answers
3
votes
121k
views
sodium hydroxide is extremely soluble in water. At a certain temperature, a saturated solution contains 551g of NaOH (s) per liter of solution.Calculate the molarity of this saturated NaOH (aq) solution.
asked
Sep 24, 2020
Chemistry
high-school
1
answer
2
votes
57.2k
views
2. Mercury-197 is used for kidney scans and has a half-life of 3 days. If 32 grams of Mercury-197 is ordered, but takes 15 days to arrive, how much would arrive in this shipment? Radioisotope: Half life
asked
Sep 20, 2020
Chemistry
middle-school
1
answer
4
votes
8.0k
views
The sum of a rational number and an irrational number? A. Is a rational number B. Is undefined C. Is a rational number D. Cannot be determined without more information
asked
Jul 3, 2020
Mathematics
middle-school
1
answer
0
votes
56.9k
views
Someone sprays perfume in another room. It can be smelled a few minutes later. Which process is this called? A. mitochondria B. active transport C. osmosis D. diffusion
asked
Apr 3, 2020
Chemistry
middle-school
2
answers
4
votes
93.8k
views
Please help w this! Its a calculus question! look at the picture for the problem,
asked
Jan 7, 2020
Mathematics
college
1
answer
0
votes
188k
views
Out of 350 applicants for a job, 158 are female and 66 are female and have a graduate degree. step 1. what is the probability that a randomly chosen applicant has a graduate degree, given that they are
asked
Nov 5, 2019
Mathematics
college
2
answers
2
votes
63.9k
views
Question 3: what global political and economic factors influenced international reaction to apartheid?
asked
Nov 1, 2019
Social Studies
high-school
1
answer
2
votes
43.3k
views
What implies that something may not happen? A. If I had a few dollars I'd buy us some ice cream sandwiches B. I don't have enough experience so I can't be a lifeguard this summer C.Since we're out of eggs
asked
Mar 22, 2019
English
high-school
1
answer
5
votes
231k
views
The conquistadors were from what country? A.spain B.france C.portugal
asked
Feb 12, 2019
History
middle-school
1
answer
0
votes
114k
views
Two lines, C and D, are represented by the following equations: Line C: y = x + 5 Line D: y = –2x – 1 Which of the following options shows the solution to the system of equations and explains why? (4 points
asked
Nov 27, 2018
Mathematics
college
1
answer
5
votes
200k
views
Would you expect all the devices listed in bios setup to also be listed in device manager? would you expect all devices listed in device manager to also be listed in bios setup?
asked
Nov 12, 2018
Computers and Technology
college
1
answer
2
votes
11.0k
views
How does General Zaroff catch his prey?
asked
Jul 11, 2018
English
high-school
2
answers
3
votes
227k
views
The unit of power is the watt. user: which one of the following is not an example of work being done? a. the moon orbiting earth b. pushing a box from the bottom of a hill to the top of the hill c. pulling
asked
Mar 15, 2018
Geography
high-school
1
answer
3
votes
78.6k
views
Hich quadrilateral names apply to the figure? Choose all answers that are correct. A. square B. rhombus C. parallelogram D. rectangle Question Resources
asked
Sep 2, 2017
Mathematics
high-school
1
answer
2
votes
33.7k
views
The religious beliefs of most slaves in America would be best categorized as a. a blend of Christian elements and traditional African beliefs. b. fundamental Christian. c. pagan. d. ritual-centered.
asked
Mar 5, 2017
History
high-school
1
answer
2
votes
174k
views
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