Answer:
there are 7. 505 x 1022 atoms in 3.5 grams of silicon.
Explanation:
So, 1 mole of silicon will have a mass of 28.0855 g and the number of atoms will be 6.022 x 1023. Therefore, there are 7. 505 x 1022 atoms in 3.5 grams of silicon.
Answer:
35.29%
Explanation:
no. of questions in test = 34
no. of questions answered correctly = 22
therefore, no. of questions answered incorrectly = 34 - 22
= 12
error percentage = 12/34 * 100
= 35.29%
Answer:
a given reference material
Explanation:
Answer:
one molecule is made up of one type of molecule
Explanation:if it is one molecule it has to me made of other atoms and not of other molecules