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Which has the least number of atoms 5g of hydrogen or 10g of helium?
10g of helium has fewer atoms. This is because the atomic mass of helium is much higher than that of hydrogen, so the same mass of helium contains fewer atoms than the same mass of hydrogen.
What mass of copper contains the same number of atoms as 68.7 g of iron?
To find the mass of copper containing the same number of atoms as 68.7 g of iron, we need to first calculate the number of atoms in 68.7 g of iron using its molar mass. Then, we convert this number of atoms to copper atoms using the ratio of their molar masses. Finally, we determine the mass of copper corresponding to this number of atoms.
When two atoms appear to have the same mass number they?
When two atoms appear to have the same mass number, it means they have the same total number of protons and neutrons. However, they may have different atomic numbers, meaning they are different elements. This can occur with isotopes, where atoms of the same element have the same mass number but different numbers of neutrons.
What mass of gold contains the same number of atoms as 9.00g of Aluminum?
The molar mass of gold is 197g/mol and the molar mass of aluminum is 27g/mol. Therefore, the ratio of the molar masses is 197/27=7.296. To find the mass of gold containing the same number of atoms as 9.00g of aluminum, you would take 9.00g * 7.296 = 65.664g of gold.
Which contains more atoms a mole of silver atoms or a mole of gold atoms?
A mole of any substance contains the same number of atoms, which is approximately 6.022 x 10^23. Therefore, a mole of silver atoms and a mole of gold atoms would both contain the same number of atoms.
Which sample contains the same number of atoms as a gram atomic mass of he?
A gram atomic mass of helium (He) contains the same number of atoms as 1 mole of helium. Since 1 mole of any substance contains approximately 6.022 x 10^23 atoms, a sample of helium with a gram atomic mass would contain that same number of atoms.
What mass of hydrogen contains the same number of atoms as 8.65 g of nitrogen?
0,617 g
What mass of sodium metals contains the same number of atoms as 12.00g of carbon?
i dont know the answer
Which has the least number of atoms 5g of hydrogen or 10g of helium?
10g of helium has fewer atoms. This is because the atomic mass of helium is much higher than that of hydrogen, so the same mass of helium contains fewer atoms than the same mass of hydrogen.
What mass of copper contains the same number of atoms as 68.7 g of iron?
To find the mass of copper containing the same number of atoms as 68.7 g of iron, we need to first calculate the number of atoms in 68.7 g of iron using its molar mass. Then, we convert this number of atoms to copper atoms using the ratio of their molar masses. Finally, we determine the mass of copper corresponding to this number of atoms.
What's the difference between an atomic number in the mass number of an Atom?
All the atoms of a particular element have the same atomic number (number of protons). The atoms of different elements have different numbers of protons. For example, all oxygen atoms have 8 protons and all sodium atoms have 11 protons. The mass number of an atom is the total number of protons and neutrons it contains.
What is the mass of potassium if a potassium sample contains 5 times the number of atoms as in 9.85 grams of gold?
The gram atomic mass of gold is 196.967 and that of potassium is 39.0983. Therefore, equal numbers of atoms of potassium are supplied by 39.0983/196.967 the mass of potassium compared with gold. 5 X 9.85 = 49.25. This contains the same number of gold atoms as 49.25(39.0983/196.967) or 9.78 grams of potassium contains of potassium atoms, to the justified number of significant digits (limited by the number "9.85", assuming that "5" is intended to be exact.)
When two atoms appear to have the same mass number they?
When two atoms appear to have the same mass number, it means they have the same total number of protons and neutrons. However, they may have different atomic numbers, meaning they are different elements. This can occur with isotopes, where atoms of the same element have the same mass number but different numbers of neutrons.
What Make up 50 percent of the atomic mass of the nucleus?
Well, this is not exact, but smaller atoms have about the same number (and mass) of neutrons and of protons. Heavier atoms have a larger percentage of their mass in neutrons.Well, this is not exact, but smaller atoms have about the same number (and mass) of neutrons and of protons. Heavier atoms have a larger percentage of their mass in neutrons.Well, this is not exact, but smaller atoms have about the same number (and mass) of neutrons and of protons. Heavier atoms have a larger percentage of their mass in neutrons.Well, this is not exact, but smaller atoms have about the same number (and mass) of neutrons and of protons. Heavier atoms have a larger percentage of their mass in neutrons.
What mass of gold contains the same number of atoms as 9.00g of Aluminum?
The molar mass of gold is 197g/mol and the molar mass of aluminum is 27g/mol. Therefore, the ratio of the molar masses is 197/27=7.296. To find the mass of gold containing the same number of atoms as 9.00g of aluminum, you would take 9.00g * 7.296 = 65.664g of gold.
What are atoms with the same atomic number but different mass called?
Atoms with the same atomic number are all atoms of the same element. However, if the atoms have different molecular weights, they are isotopes of the same element.
Do atoms of the same number have a different mass number?
Atoms of the same atomic number (= number of protons in each nucleus) can have different mass numbers because of containing different numbers of neutrons in each atom.
