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Maru [420]
3 years ago
9

An element's atomic number is 68. How many protons would an atom of this element have?

Chemistry
2 answers:
nadezda [96]3 years ago
7 0
The answer would be 68. The atomic number will signify the number of protons in an element so if the atomic number is 68, then the number of protons is 68 and the number of electrons is also 68 in order to maintain a nuclear charge.
Evgen [1.6K]3 years ago
4 0
Answer: 68.

Explanation:

The atomic number is the number that idenfities an element.

The atomic number is the number of protons of an element.

Every element has a different number of protons.

The elements are arranged in the periodic table as per their atomic number (number of protons).

The first element is hydrogen (H), its atomic number is 1, and it has 1 proton.

The second element is helium (He), its atomic number is 2 (it has 2 protons)-

Those two elements form the first period (row) of the periodic table.

The second row (period) has the elements Li, Be, B, C, N, O, F and Ne, whose respective atomic numbers (number of protons are) 3, 4, 5, 6, 7, 8, 9, and 10, respectively.

And so, you may idenfity each of the 118 elements known, with a different atomic number (number of protons).
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