Number of protons found in the nucleus of an atom.
1 The number of protons is what gives an atom its chemical identity.
2 The first number tells you the number of protons involved.
3 The number of protons in the nucleus is countered by an equal number of "orbiting" electrons.
4 She saw other nuclear castles in the distance and, spread across the plain, a number of protons moving quickly around.
5 It is a sequence of every known element in the universe arranged by increasing number of protons in their nuclei.
6 The exact speed depends on the ratio between the number of protons present and alpha, the fine structure constant discussed last chapter.
7 As it has the same number of protons and electrons as carbon 12, this heavier isotope is chemically identical to normal carbon.
8 An atom's chemical properties are a result of a value known as its atomic number - acountof the number of protons within its nucleus.
9 The horizontal rows, meanwhile, arrange the chemicals in ascending order by the number of protons in their nuclei-whatis known as their atomic number .
10 The affinity of nor-NOHA to arginase is high and changes slightly with the pH, because the number of protons linked to binding is low.
11 In this way the number of protons inside the larger nucleus decreases by two, so the electronic repulsion between the protons is reduced as well.
12 If two atoms have the same number of protons , but different numbers of neutrons-theseare isotopes (like hydrogen- 1andhydrogen-2)
13 The number of protons in the nucleus tells you what element the atom is (nitrogen has 7 protons, silver has 47 protons).
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