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

Enumeration.Give the 4 basic properties of numbers.

Which of the following is not an example of a renewable resource in terms of power? a. solar power c. wind power b. power from gas or oil d. hydroelectric power

What does it mean when the Constitution says "we are a government of the people, by the people, and for the people"? Explain.

¿cual es la respuesta?

Use the diagram to answer the question. Based on this diagram, which of the following plants evolved first? A. conifers B. flowering plants C. nonvascular

Evaluate the expression below when y = 8. If needed, answer as a fraction or a decimal. y⋅5y+2

Please help!! Thanks

Math help plese aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Multiply (2y + 3)(5y - 8)(y – 4). Write your answer as a polynomial in standard form.

Subject: computer Q.1 Fill in the blanks 1. WWW stand for ______.2. A _____ is the collection of similar information.3. A ______ is a specific of data in record