Chemistry

Chemistry, 21.10.2019 21:30, mykamorrow

What does the atomic number represent?

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Chemistry, 26.06.2019 23:30, kels7618

In the table of atomic particles, various symbols have two numbers. the top number represents the atomic mass of the particle, what do the bottom numbers represent? select all that apply. atomic weight charge atomic number number of neutrons number of positrons number of electrons number of mesons number of protons

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Chemistry, 27.06.2019 04:20, savannahwonder

Draw diagrams of the 5 atoms described below. for each atom, use a circle to represent the nucleus, and inside the circle write down how many protons and neutrons the nucleus contains (e.g. 9p, 10n). use concentric circles around the nucleus to represent the energy levels of the atom, and next to each circle write down the number of electrons in that energy level (e.g. 2e): a. atomic number = 1, atomic mass = 1, overall charge = 0 b. atomic number = 7, atomic mass = 15, overall charge = 0 c. atomic number = 11, atomic mass = 23, overall charge = 0 d. atomic number = 11, atomic mass = 23, overall charge = +1 e. atomic number = 17, atomic mass = 35, overall charge = -1

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Chemistry, 05.07.2019 21:50, ferperez12

Using the periodic table entry of iron below, match the numbers with what they represent. (answers choices ) atomic mass the number 26 number of valence electron the number 56 atomic number the number 4 number of orbits the number 30 number of electrons in n = 3 the number 14 number of neutrons the number 2

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