tomas485 tomas485
  • 04-01-2022
  • Chemistry
contestada

Write the symbol for every chemical element that has atomic number greater than 8 and atomic mass less than 25.5 u.

Respuesta :

3060XLXO 3060XLXO
  • 04-01-2022

F  atomic number 9, mass 19

Ne  atomic number  10, mass 20

Na  atomic number 11, mass 23

Mg  atomic number 12, mass 24

Answer Link

Otras preguntas

What was Johann Gutenberg's great contribution to the world?
Suggest reasons why poaching for subsistence is likely to be less damaging to the biodiversity of an area than poaching for profit
Which beliefs is most characteristics characteristics. Of the enlighteenment of the 17th an 18th centuries
How many moles of n are in 0.215 g of n2o?
What is the most important thing political parties look for in candidates?
When writing your rough draft, you should focus on the spelling, capitalization, and punctuation _____.
Someone help me please !!
You unfold chicken wire to make a circular pen with a diameter of 2.9 meters. how many meters of chicken wire do you need?
In the diagram which angles are alternate interior angles with angle 14?
A model rocket is launched with an initial upward velocity of 32 m/s. The rocket's height h (in meters) after t seconds is given by the following. h=32t-5t^2 Fi