The answer is , C. Both the atomic mass and the atomic number increase from left to right .
Answer:
in my opinion find some stuff to help u with it test if you are aloud to bring in a revision boom into your test and get a good night sleep if you can and try not to get stressed about it
A Bunsen burner, named after Robert Bunsen, is a common piece of laboratory equipment that produces a single open gas flame, which is used for heating, sterilization, and combustion. The gas can be natural gas (which is mainly methane) or a liquefied petroleum gas, such as propane, butane, or a mixture of both. Have A Great Day :)
The answer is :
The normal equation for the decomposition of hydrogen peroxide indicates that 2 vol. peroxide vapor should give rise to 2 vol. water vapor and 1 vol. oxygen.
What is hydrogen peroxide ?
- Hydrogen peroxide is water (H2O) with an extra oxygen molecule (H2O2).
- The extra oxygen molecule oxidizes, which is how peroxide gets its power says Dr. Beers.
- This oxidation kills germs and bleaches color from porous surfaces like fabrics.
- Hydrogen peroxide is found in biological systems including the human body.
- Enzymes that use or decompose hydrogen peroxide are classified as peroxidases.
To learn more about Hydrogen peroxide visit: brainly.com/question/18709693?
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Answer:
Solid metal.
Explanation:
At room temperature, Chromium (Cr), a transition metal, is a solid.
