emilyfloyd13 emilyfloyd13
  • 03-09-2020
  • Chemistry
contestada

is helium gas a mixture or pure substance

Respuesta :

tatamendez
tatamendez tatamendez
  • 03-09-2020
An element is a pure substance as well, because if we fill up a balloon with just helium gas, it will only contain helium atoms. On the periodic table of elements, helium is element number 2 , and so that should tell you that it's an element of course.
Answer Link

Otras preguntas

How did the Supreme Court ruling on the Indian Removal Act affect Andrew Jackson's course of action regarding Native Americans?
What is the answer to 23/6x - 59 = 14/77?
The real output of the economy under conditions of full employment a. is​ long-run aggregate supply. b. is determined by the​ real-balance effect. c. is​ long-r
1.875 is closest to 0, 1, 2, or 3?
Write each fraction or mixed number as a decimal. Use a bar notation if needed. 1/2 -4 4/25 1/8 3/16 -33/50 -17/40 5 7/8 9 3/8
please help 20 points
A dome shaped muscle that moves air through the respiratory tract is the
Katie hair grows 7/8 of a centimeter each month how many centimeters will Katie hair grow over 5 months
Which of the following is an example of a chemical change? Toasting a marshmallow. Mixing sugar and water. Gasoline evaporating. A ice cube melting.
2/9+5/6 in simplest form