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patriot [66]
1 year ago
9

Help asap!!! Is this true or false please help!!

Chemistry
1 answer:
alexgriva [62]1 year ago
7 0
I have to write at least 20 characters lol. The answer of your problem is true!!
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Which of the following molecules would have the strongest London Dispersion Force?
weeeeeb [17]

Answer: D

Explanation:

London forces become stronger as the atom in question becomes larger, and to a smaller degree for large molecules. [4] This is due to the increased polarizability of molecules with larger, more dispersed electron clouds. The polarizability is a measure of ease with which electrons can be redistributed; a large polarizability implies that the electrons are more easily redistributed. This trend is exemplified by the halogens (from smallest to largest: F 2 , Cl2 , Br 2 , I 2 ). The same increase of dispersive attraction occurs within and between organic molecules in the order RF<RCL<RBr<RI, or with other more polarizable heteroatoms. [5] Fluorine and chlorine are

gases at room temperature, bromine is a liquid, and iodine is a solid. The London forces are thought to be arise from the motion of electrons.

7 0
3 years ago
The half-life of thorium-227 is 18.72 days. How many days are required for three-fourths of a given amount to decay?
Pie
T½=18.72days
therefore t¾=18.72+½ of 18.72
we have 18.72+9.36=28.08days
7 0
3 years ago
Please help me! Two groups of students were tested to compare their speed working math problems. Each group was given the same p
LiRa [457]
The constant variable is the math problems, the dependent variable is the calculators, and the independent variables are the students
4 0
3 years ago
A student can hold her breath for 94 seconds if another student records that the time she can hold her breath is 92 seconds, wha
Studentka2010 [4]

Answer:  -2.13%

Explanation:

I will assume that the correct time is 94 seconds, since it is stated as a fact.  The measured time of 92 seconds is -2 seonds from the actual.  That gives a percent error of:

[(Measured-Actual)/Actual] or (-2/94) or -2.13%

6 0
3 years ago
(c) Which element is in Group V and in period 3​
Lorico [155]

Answer:

Phosphorus

Explanation:

Group V elements- Nitrogen, Phosphorous

period 3- Sodium, Magnesium, Aluminium, Silicon , Phosphorous, Sulphur, Chlorine and Argon

Group v and period 3 is phosphorus

6 0
3 years ago
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