Chemistry, 08.01.2022 17:10 sabrinabowers4308
Very small crystals composed of 1,000 to 100,000 atoms, called quantum dots, are being investigated for use in electronic devices. A quantum dot was made of solid silicon in the shape of a sphere with a diameter of 9 nm.
a. Calculate the mass of the quantum dot using the density of silicon of 2.3 g/cm3
b. How many silicon atoms are in the quantum dot?
Answers: 1
Another question on Chemistry
Chemistry, 21.06.2019 23:00
When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )
Answers: 1
Chemistry, 22.06.2019 05:30
Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change
Answers: 2
Chemistry, 22.06.2019 21:20
If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied
Answers: 1
Chemistry, 23.06.2019 03:20
What kind of intermolecular forces act between a hydrogen fluoride molecule and a hydrogen peroxide molecule? note: if there is more than one type of intermolecular force that acts, be sure to list them all, with a comma between the name of each force.
Answers: 1
You know the right answer?
Very small crystals composed of 1,000 to 100,000 atoms, called quantum dots, are being investigated...
Questions
Computers and Technology, 21.11.2019 02:31
History, 21.11.2019 02:31
