Chemistry
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?

answer
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 02:00, hemolelekeakua
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
image
Chemistry, 22.06.2019 06:30, queenkimm26
What is the polyatamic ion of thiosulfate
Answers: 1
image
Chemistry, 22.06.2019 07:30, genyjoannerubiera
Identify two types of chemical bonding in the source of dietary potassium
Answers: 3
image
Chemistry, 22.06.2019 15:10, buiratsamah
Chromosome 17 is made of over million base pairs.
Answers: 2
Do you know the correct answer?
Very small crystals composed of 1,000 to 100,000 atoms, called quantum dots, are being investigated...

Questions in other subjects:

Konu
Mathematics, 18.11.2020 01:40
Konu
Physics, 18.11.2020 01:40