vinnysclash217 vinnysclash217

20-03-2017
Chemistry

contestada

. In the symbol (4/2) He, the superscript 4 is the _ for helium, and the subscript 2 is the ___ for helium.

Respuesta :

KingOfShadows KingOfShadows

20-03-2017

the superscript is the atomic mass and the subscript is the atomic number

Answer Link

Otras preguntas

list the 5 most important responsibilities a citizen has for taking part in public affairs.

Suppose that the function f ( x ) = 2x + 12 represents the cost to rent x movies amonth from an internet movie club. Makayla now has $10. How many more dollars

Three numbers are in the ratio 2 : 3 : 4. The sum of their cubes is 33957. Find the largest number

Calculate the number of moles 56.75 g of Al(NO3)3 8.35 g of Al2(SO4)3 3.8 g of FeSO4

Can someone read my essay and say what I have to improve also tell me what I should put for my conclusion. Thank you! “Love Exists” True

Rohit is 40 m SouthWest of Aarav. Ansh is 40 m SouthEast of Aarav. Then Ansh is in which direction of rohit?

why do humans need nitrogen to survive?

Suppose that the function f ( x ) = 2x + 12 represents the cost to rent x movies amonth from an internet movie club. Makayla now has $10. How many more dollars

The nervous system of a clam is very simple. How can a clam function with such a simple nervous system?

please help!!! Given the length of three sides of a triangle, which is a right triangle? (1) 10,26,24 (2) 20,12,18 (3) 30,15,26 (4) 40,50,80 And also explain wh