Atomic Mass
What is the atomic mass of an element with 7 protons and 8 neutrons
15
How many protons are there if the atom has a mass of 8 and 4 neutrons
4
How many neutrons does an atom have if it has a mass of 7 and 3 protons
4
What does wavelength times frequency equal
Speed of light (3.00 * 10^8)
What is the quantum number of electrons in carbon
1s2-2s2-2p2
or
He-2s2-2p2
What is the atomic mass of an element with 13 protons and 15 neutrons
28
How many protons does an atom have if it has 16 electrons and is not an isotope
16
How many neutrons does an atom have if it has 18 electrons
We do not know. Not enough information.
What is the frequency if the wavelength is 2.00 * 10^-8
1.5
What is the quantum number of electrons in magnesium
1s2-2s2-2p6-3s2
or
Ne-3s2
What is the atomic mass of an element with 28 protons, 64 neutrons, and 28 electrons
92
How many protons does a atom have with a mass of 24 and 6 electrons
6
How many neutrons does a atom have with a mass of 28, 11 protons, and 11 electrons
17
What is the wavelength if the frequency is 5?
6.00 * 10^7
What is the quantum number of electrons of silver
Kr-5s2-4d9
Do not do long form