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Darya [45]
2 years ago
14

Question 22

Chemistry
1 answer:
Mrrafil [7]2 years ago
3 0
HELPPPPPPPPPPPPPPPPPPPPPPPf it is a good idea to
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How is the atomic mass of an element calculated? A. by determining the number of electrons in the outer orbital B.by determining
Vaselesa [24]

By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.

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Approximately how long does it take for the moon's phases to change from a NEW moon to a FULL moon?
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4 weeks

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It takes 4 weeks for the cyclle to be happening again

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Identify the main purpose of the Periodic Table. *
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The periodic table is one of the most important tools in the history of chemistry. It describes the atomic properties of every known chemical element in a concise format, including the atomic number, atomic mass and relationships between the elements. Elements with similar chemical properties are arranged in columns in the periodic table.

The table thus is a quick reference as to what elements may behave the same chemically or which may have similar weights or atomic structures.

Hope this answer helps you

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The boiling points of different substances are given in the table below.
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What do all atoms of the same element have
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All atoms of the same element have always have the same amount of protons.

Explanation:

Atoms of the same element have always have the same amount of protons but not always the same electrons and neutrons. If an atom gains or loses one of its valance electrons, the electrons on the outermost shell, then it becomes ionized. Also not all atoms of the same element have the same amount of neutron. This is called an isotope. A good example would be Carbon 13. Normally, Carbon atoms have an atomic mass of 12 AMU or 12 atomic mass units. However, Carbon atoms have an atomic mass of 13 AMU, consisting of 7 neutrons instead of 6 neutrons. So the only thing that all atoms of the same element have in common is the amount of protons.

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