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What does the number 84 in the krypton -84 represent?
84 is the mass number: 36 proton plus 48 neutrons
What does number 84 in the the name krypton 84 represent?
84 is the mass number: 36 proton plus 48 neutrons
What does the number 84 in the name krypton - 84 represent?
84 is the mass number: 36 proton plus 48 neutrons
How can you find the mass from the number of atoms?
protons plus the number of neutrons.
What does an elements atomic mass tell about the atoms that make up that element?
It tells you the mass of how many protons and how many neutrons plus the tiny mass of the electrons. The electrons are about .0016 amu so they still have mass
What contributes to an atoms atomic number and to its mass number?
The atomic number is the number of protons in the atom (this can never change). The mass number is the number of protons plus the number of neutrons, this varies because atoms lose neutrons so they take one mole (6.0223x10^23) of the atoms, and average it.
Is krypton a solid liquid or a gas at plus 10 degrees?
At 1 ATM pressure and 10°F and 10°C krypton is a gas.
What is a mass number atomic mass number?
The atomic number is the number of protons in an atom. This number is fixed and determines what element that atom is. The Atomic Mass is the mass of an atom and is roughly equivalent to the number of protons plus the average number of neutrons that atoms of that particular element.
What is the mass of 4.771E plus 22 atoms of neodymium?
4.771 X 1022 atoms neodymium (1 mole Nd/6.022 X 1023)(144.2 grams/1 mole Nd) = 11.42 grams of neodymium --------------------------------------
Does 2HCI plus Mg equal 2Mg atoms?
Does 2HCI plus Mg equal 2Mg atoms
What is an atomic number and a mass number?
The atomic number is the number of protons in an atom. This number is fixed and determines what element that atom is. The atomic mass is the mass of an atom and is roughly equivalent to the number of protons plus the average number of neutrons that atoms of that particular element.
What is the total number of oxygen and hydrogen atoms in the product ch4 plus 2o2 -- co2 plus 2h2o?
4 ox atoms ... 4 h atoms
