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Q: What does the 4 in 42He represents?
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What represents an alpha particle?

An alpha particle in nuclear chemistry is a helium-4 nucleus, or 42He+2. In order to simplify, the Greek letter alpha is also used to represent the particle.


What does the 4 in 4 2 HE represents?

An Integer.


Why are elements of even atomic numbers more abundant?

Oddo-Harkins rule Rule stating that the cosmic abundance of elements with an even atomic number is greater than that of adjacent elements with an odd atomic number. Consequently, a graph plotting relative atomic abundance against increasing atomic number (Z) displays a 'toothed' curve, rather than a smooth line. The reason for this is connected with processes such as helium burning (see nucleosynthesis). 42He is a basic building block, and so additions produce even numbers, e.g. 42He + 42He → 84Be;84Be + 42He → 126C. AILSA ALLABY and MICHAEL ALLABY. "Oddo-Harkins rule." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 21 Mar. 2009 .


Is 4kg the same as 4?

No. 4 kg has units which given meaning to the 4 - in this case kg which gives the size and type of the units; the 4 gives how many of the units there are. In this case, it represents a unit of mass and there are 4 of them. 4 by itself has no units and is just a number. It can be used to represent many things: apples, acres, metres, etc. The units given will tell you what things it represents: 4 apples means the 4 represents some apples. 4 acres means the 4 represents some area. 4 metres means the 4 represents some length - each of these things are different.


What is the highest place value of 45?

It is 4 which represents 4*10 = 40 and the lowest is 5 which represents 5*1 = 5


The equation y - 4 equals 0 represents a vertical line?

No. It represents a horizontal line.


What does the digit 4 represent in 124.1?

Digit 4 represents ones.


In ic 741 741 stands for what?

In Ic 741, 7 represents active terminals,4 represents inputs and 1 represents the output


In 17.4 which is the tenth?

The digit 4 represents 4/10 = four tenths


What is the equation that represents the whole number 4 1 out of 4?

It is y = int(4 1/4)


546210 what is the value of 4?

The digit 4 represents 40,000 = forty thousand


P (4 and C)?

The answer depends on what P represents and also what 4 and C are.