D.all of the above is the answer for this question
Answer:
The number of atoms is
Explanation:
From the question we are told that
The mass of coin is
Number of atom in one mole =
Molar mass of nickel
Now the relation to obtain the number of atom in the nickel coin is
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Answer:
Explanation:
We are given that
Atomic number=2
We have to find the total negative charge on the electrons in one mole of Helium.
We know that atomic number=Proton number
Proton number=Number of electrons=2
Number of electrons in Helium=2
1 mole of Helium= atoms
We know that q=ne
Where n =Number of fundamental units
e=Charge on electron
1 e=
Using the formula
Total negative charge in 1 mole=
Hence, the total negative charge on the electrons in 1 mole of Helium=
Unicellular: An organism that consists of a single cell
Multicellular: An organism with multiple cells
Eukaryotic: A cell that contains a nucleus
Prokaryotic: A cell with no nucleus
Autotrophic: An organism that has the ability to make their own food
Heterotrophic: Organism that cannot create their own food
Asexual reproduction: When an organism has the ability to create offspring without the help of another organism
Sexual Reproduction: When two organisms create an offspring using the gametes