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The nucleus of an electrically neutral atom contains 44 prot…

The nucleus of an electrically neutral atom contains 44 protons. The atomic mass of such atom is 101 amu. How many neutrons does this atom have?

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Moore’s Law

Moore’s Law

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If you drop a material that is held together by ionic bonds,…

If you drop a material that is held together by ionic bonds, one likely outcome is that it will

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If an atom emits two protons and two neutrons, the atom has

If an atom emits two protons and two neutrons, the atom has

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The electrons at the outer level of the atom are called

The electrons at the outer level of the atom are called

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What would be an architectural specification for a skyscrape…

What would be an architectural specification for a skyscraper built in an earthquake-prone region?

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Name the first astronomer to use a telescope to observe the…

Name the first astronomer to use a telescope to observe the sky and to recognize what he saw there.

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What were the first three elements formed in the Big Bang?

What were the first three elements formed in the Big Bang?

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According to calculations made by modern astronomers, the ag…

According to calculations made by modern astronomers, the age of the universe is close to

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Xiphoid process:

Xiphoid process:

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