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What is an atoms mass number?
neutrons + protons = mass number
What mass of He contains the same number of atoms as 5.0 g Kr?
To find the mass of He containing the same number of atoms as 5.0 g Kr, we need to use the fact that atoms are indivisible entities. First, determine the number of atoms in 5.0 g Kr using the molar mass of Kr. Then, calculate the mass of He containing the same number of atoms by dividing the atomic mass of He by Avogadro's number and scaling it up to match the number of Kr atoms.
What is the mass in g of 9.44x10 23 atoms of lithium?
To calculate the mass of 9.44x10^23 atoms of lithium, you can use the molar mass of lithium, which is approximately 6.94 g/mol. Divide the number of atoms by Avogadro's number to get the number of moles, then multiply by the molar mass to get the mass in grams.
How many atoms of gold are in the bar?
The number of atoms in a bar of gold depends on the mass of the bar. To calculate the number of atoms, you would need to know the mass of the bar and the atomic mass of gold. You can use Avogadro's number to convert from grams to atoms.
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.
Avogadro's number of aluminum atoms has a mass equal to?
Thast is one mole. 26.98 grams/per mole is the mass.
How do you convert from grams to atoms and from mass to atoms?
To convert from grams to atoms, you need to use Avogadro's number (6.022 x 10^23 atoms/mol) to convert the given amount of substance into moles and then multiply by Avogadro's number to get the number of atoms. To convert from mass (in grams) to the number of atoms, first find the molar mass of the substance, then divide the given mass by the molar mass to get moles, and finally multiply by Avogadro's number to obtain the number of atoms.
What happens when a warmer air mass pushes a cooler airs mass?
it becomes a warm front
What is the atoms mass number?
The Atomic Mass number tells how many protons and neutrons are in a nucleus.
What is the mass of 3.91 x 1024 sulfur atoms?
To find the mass of 3.91 x 10^24 sulfur atoms, you can use the molar mass of sulfur (32.06 g/mol). First, find the number of moles by dividing the number of atoms by Avogadro's number (6.022 x 10^23). Then, multiply the number of moles by the molar mass to get the mass.
How many atoms of tin are in 119 g of tin?
To find the number of atoms, divide the given mass (119 g) by the molar mass of tin (118.71 g/mol) to get the number of moles. Then, multiply the number of moles by Avogadro's number (6.022 x 10^23 atoms/mol) to find the number of atoms.
What is the mass of x atoms of sulfur?
208
