Physics

Physics, 26.06.2019 16:00, ThePotato381

In the modern model of the atoms over 99.9% of the atoms is made up of: a) protons b) neutrons c) electrons d) empty space

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Biology, 07.07.2019 11:40, AT3P

1) a lithium atom has 3 protons, 3 neutrons, and 3 electrons. which of the following sets of particles represents and (+1) ion of this atom? a)3 protons, 4 neutrons, and 3 electrons b)3 protons, 3 neutrons, and 2 electrons c)3 protons, 4 neutrons, and 4 electrons 2)which of the following scientists stated electrons travel around the nucleus like planets around the sun (planetary model)? a) john dalton b)ernest rutherford c)jj thomson 3) in thomson's "plum pudding model" of the atom , the plums represent a)atoms b)neutrons c)electrons

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Chemistry, 02.08.2019 14:00, jslaughter3

Thomson's atomic model is best described by which of the following statements? (2 points) a nucleus with electrons moving around it like planets a positive solid sphere with electrons dispersed throughout neutrons surrounded by orbiting electrons a negative sphere with electrons surrounding it 2. which of the following is not part of dalton's atomic theory? (2 points) all matter is made up of atoms. all atoms of a given element are the same. different elements are made up of different atoms. atoms can be broken down into smaller pieces. 3. what describes the current model of the atom? (2 points) protons orbit the nucleus like planets orbit the sun. that electrons and protons move randomly around a nucleus. electrons travel as waves in the electron cloud that surrounds the nucleus. electrons orbit the nucleus like planets orbit the sun. 4. consider the work of thomson, rutherford, and bohr. in your opinion, which was the most important and why? be sure to state what your selected person discovered and how it contributed to the model of the atom. (4 points)

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Physics, 30.09.2019 06:50, karenjunior

Modern atomic theory states that atoms are neutral. how is this neutrality achieved in atoms? having more neutrons than protons or electrons having equal numbers of protons and electrons having fewer neutrons than protons or electrons having equal numbers of protons and neutrons

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Engineering, 04.10.2019 23:20, batmanmarie2004

Which of the following statements are consistent with rutherford's nuclear theory as it was originally stated? check all that apply. (a) neutral potassium atoms contain more protons than electrons. (b) neutral potassium atoms contain more neutrons than protons. (c) the volume of an atom is mostly empty space. (d) atomic nuclei are small compared to the size of atoms.

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In the modern model of the atoms over 99.9% of the atoms is made up of: a) protons b) neutrons c) e...

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