A silicon (at. wt. = 28) chip used in an...

A silicon (at. wt. = 28) chip used in an integrated circuit of a computer has a mass of 5.68 mg. How many silicon atoms are present in this chip?

`2.02xx10^(-4)`

`12.2xx10^(20)`

`122xx10^(20)`

`1.22xx10^(20)`

Text Solution

Verified by Experts

Topper's Solved these Questions

SOME BASIC CONCEPTS OF CHEMISTRY
BRILLIANT PUBLICATION|Exercise LEVEL-II|103 Videos
SOME BASIC CONCEPTS OF CHEMISTRY
BRILLIANT PUBLICATION|Exercise LEVEL-II (ASSERTION REASON TYPE QUESTIONS)|7 Videos
SOME BASIC CONCAPTS OF CHEMISTRY
BRILLIANT PUBLICATION|Exercise LEVEL-III (Linked Comprehension Type)|6 Videos
STATES OF MATTER
BRILLIANT PUBLICATION|Exercise LEVEL III (Linked Comprehension Type )|9 Videos

Similar Questions

Explore conceptually related problems

N is the symbol of nitrogen. How many molecules and atoms are present in 5N_(2) ?

In the atom of an element 7 electrons are present in the M shell. : There are 18 neutrons in the nucleus of atom: a)Write down the electronic configuration of the given atom. b) What is its.mass number? c). How many electrons are present in it.

56g Nitrogen is taken (Atomic mass: N=14) a) Calculate the number of moles in it. b) Find the number of molecuels. c) How many atoms are present in it?

A solid substance 'A B' has a rock salt geometry What is the coordination number of 'A' and 'B'. How many atoms of 'A' and 'B' are present in the unit cell?

An element has a body centred cubic structure with a cell edge of 288 pm. The density of the element is 7.2 g/ cm^3 . How many atoms are present in 208 g of the element?

An atom has '2 K, 8 L', and '5 M' electrons. Write electronic configuration of the atom. How many unpaired electrons are there in the atom?

A radioactive sample had an initial activity of 28 disintegrations per minute. 30 minutes later, its activity became 14 disintegrations per minute. How many atoms of the radioactive nuclide were present intially ?

BRILLIANT PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-LEVEL-I

A silicon (at. wt. = 28) chip used in an integrated circuit of a compu...
Text Solution
|
Which of the following is a characteristic of both mixtures and compou...
Text Solution
|
A mixture of sand and iodine can be separated by
Text Solution
|
The largest number of molecules is in
Text Solution
|
Five grams of each of the following gases at 87^(@)C and 750mm pressur...
Text Solution
|
The number of moles of H(2)" in "0.224 litre of hydrogen gas at STP(27...
Text Solution
|
7.5 grams of a gas occupy 5.6 litre of volumes at STP. The gas is
Text Solution
|
Which of the following has the largest number of atoms?
Text Solution
|
An english word,written in carbon pencil weighs 1mg. What is the numbe...
Text Solution
|
The number of atoms of oxygen present in 10.6 g of Na(2)CO(3) is
Text Solution
|
The specific heat of a metal is 0.16. Its approximate atomic weight wo...
Text Solution
|
Law of multiple proportion is illustrated by one of the following pair...
Text Solution
|
Given that the oxidation state of sulphur is -2, calculate the gram eq...
Text Solution
|
How many molecules are present in 5.23g of glucose (C(6)H(12)O(6))?
Text Solution
|
Which one of the following is the lightest?
Text Solution
|
Which of the following substance contains greatest mass of chlorine?
Text Solution
|
Mass of one atom of X is 6.66xx10^(-23)g. Hence number of mole of atom...
Text Solution
|
In a gas S and O are 50% by mass, hence,their mol ratio is
Text Solution
|
The density of C Cl(4) vapour in g"/"L at STP will be
Text Solution
|
The number of electrons present in 5.6 litre of H2 gas at S.T.P is
Text Solution
|
10g of CaCO(3) contains
Text Solution
|