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Benzyl ethene is not a proper name it means 3-phenyl propene similarly 1,2 dibenzyl ethene means 1,4 diphenyl -2- butene, the later is more stable due to possibilities of more resonating structures.

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How many yards in 2 millimeters?

In the international system of units, the basic unit of length is the meter. For comparison, an adult typically has a height between 1.6 and 1.8 meters.A millimeter is simply 1/1000 of a meter. For comparison, a pencil might have a thickness around 10 mm.


Which one is larger 2 tonnes or 3000 kg?

Convert to the same units then a comparison can be made: 1 tonne = 1000 kg → 2 tonne = 2 × 1000 kg = 2000 kg 2000 < 3000 → 2000 kg < 3000 kg → 2 tonnes < 3000 kg 3000 kg is larger than 2 tonnes.


how isotopes can have different masses and still be the same element?

For the same element the number of protons and electrons remains unaltered. Howerm for that same element the number of neutrons can vary., leading to different atomic masses. Taking hydrogen as an example. It has three isotopes. #1 ; protium ; 1 proton , 0 neutrons (Atomic Mass ; 1 + 0 = 1 ) #2 ; deuterium ; 1 proton , 1 neutron ( Atomic mass ; 1 + 1 = 2) #3 ; tritium ; 1 proton, 2 neutrons ( Atomic Mass ; 1 + 2 = 3) Notice for each isotope of hydrogen there is only ONE proton. However, for each different isotope of hydrogen there is a different number of neutrons. The Atomic Mass is the sum of the protons and neutrons). #4 ; Helium(He) ; 2 protons, 2 neutrons ( atomic mass 2 + 2 = 4 ). For comparison helium has 2(TWO) protons and 2 neutrons, but it is an entirely different element, because it has a different number of protons.


What happens to the number of chromosomes when 2 grasshopper sex cells join in fertilization?

The number of chromosomes doubles in comparison to the sex cells.


How many electrons are in the outer energy level of a helium atom?

Helium and hydrogen and group 3 to 12 got 2 valence electron

Related Questions

What is a comparison of two measurement in which the denominator has a value of one unit?

a comparison of 2 measuremens in which the denominator is 1


Is a comparison of two measurements in which the denominator has a value of one unit?

a comparison of 2 measuremens in which the denominator is 1


Is a ratio a comparison of 2 numbers?

a ratio is a comparison of 2 numbers


Vinegar and oil comparison?

I usually use 1 measure of vinegar to 2 measures of oil.


What information do you get from a ratio comparison that you don't get from a difference comparison?

you get 2 sets of numbers in a ratio comparison and you only get one in a difference comparison


What is meaning of upama?

Meaning-1)The best in comparison! 2)Something set as an example for others to refer to.


What the goals of macroeconomics?

1. Economic growth 2. Price stability 3. High employment


Difference between comparison to and comparison with?

These are commonly used interchangeably, and the distinction between them is a small one. "Comparison to" should be used when comparison is made between specific people, things, or other instances. Example: John is an excellent student in comparison to his shiftless brother Mike. "Comparison with" should be used when comparison is made to a group or an indefinite (i.e. uncountable) entity. Example 1: John is an excellent student in comparison with the rest of his class. Example 2: John has excelled in school in comparison with what I feared.


Need for costing?

1) for cost control 2) comparison of cost with other firms 3) for cost reduction


Advantages and disadvantages of working capital?

1.measure growth of the firm 2.for comparison with other firms 3.appraisol of management performance 1.additiona cost to firm 2.


How long should you keep a tree staked to ensure proper growth and stability?

You should keep a tree staked for about 1-2 years to ensure proper growth and stability.


Why silicon is used for fabricating electronic devices?

Silicon is used for fabricating most of electronics devices not all devices because it has several feature comparison to other metals like - 1- good thermal stability 2- Less reverse saturation or leakage current. 3- abandoned in environment(Available) 4- cheap