Chemistry, 03.10.2021 03:20 xitlalizt83341
Polly did an experiment with marbles in a glass bowl to show the movement of particles in solids, liquids, and gases. The experimental set-up is shown below:
A glass bowl is shown with four marbles inside it.
What should Polly do to represent the particles of a solid? (5 points)
Pack the bowl with marbles and then tap it gently.
Add two more marbles to the bowl and then shake it slowly.
Take out two marbles from the bowl and then shake it vigorously.
Add water to the bowl so that the marbles start sliding past one another.
Answers: 1
Chemistry, 22.06.2019 06:00
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
Answers: 2
Chemistry, 22.06.2019 11:00
The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.
Answers: 1
Chemistry, 22.06.2019 16:10
Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)
Answers: 2
Chemistry, 23.06.2019 04:00
What two categories of toxins were present in the air at dish,texas as a result of the gas pipelines that pass through the area
Answers: 1
Polly did an experiment with marbles in a glass bowl to show the movement of particles in solids, li...
Mathematics, 17.02.2021 02:00
Mathematics, 17.02.2021 02:00
Mathematics, 17.02.2021 02:00
History, 17.02.2021 02:00
Mathematics, 17.02.2021 02:00
Biology, 17.02.2021 02:00
History, 17.02.2021 02:00
Spanish, 17.02.2021 02:00
Mathematics, 17.02.2021 02:00
Chemistry, 17.02.2021 02:00