A student sorted mineral samples into two groups: metallic and nonmetallic. Which of the following properties did the student use to sort the mineral samples into groups

answer: mole of the gas

answer: mole of the gasexplanation:

answer: mole of the gasexplanation: this is because 1 mole of a gas is 22.4dm³, which is use in ideal gas

The answer is fossil fuels.

Most elements have more than one naturally occurring isotope. as you learned previously, the atoms of those isotopes have the same atomic number (number of protons), making them belong to the same element, but they have different mass numbers (total number of protons and neutrons) giving them different atomic masses. so which mass is put on the periodic table for each element? is it the most common isotope’s mass? the heaviest mass? this activity will answer that question.

Ithink d because for example there are different laws for different states but the federal government makes bigger laws like for example all states have to follow the law that no one can check your mail.