Electron Orbits

Boron (B) has five electrons. How many will be in its outer orbit?

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one

two

three

four

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Explanation

Sodium (Na)

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How many electrons does sodium (Na) have all together? (1)
- In the innermost orbit? (2)
- In the second orbit? (3)
- In the outer orbit? (4)

Enter numeric figures only

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Explanation

There is a tendency for an atom to want to have its _________ electron level full

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inner

outer

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Explanation

Which atom has only two electrons?

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helium

neon

argon

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Which atom has two electrons in its first orbit and eight in its next orbit (and non other electrons)?

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helium

neon

argon

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Explanation

Which atom has its first three orbits full (18 electrons in all)

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helium

neon

argon

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Refer to the periodic table, which column are helium, neon, and argon are in?

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far right (the noble gases)

first left column

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The noble gases do not react chemically with other atoms

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True

False

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All other atoms of all of the elements, other than noble gases, tend to combine with other atoms

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True

False

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Explanation

It is found that atoms in the first column unite with the column

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14

15

16

17

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Explanation

With elements of which column would you expect column 2 elements to unite in a 1-to1 ratio?

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14

15

16

17

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Boron (B) has five electrons. How many will be in its outer orbit?

Correct Answer

Explanation

Sodium (Na)

Correct Answer

Explanation

There is a tendency for an atom to want to have its _________ electron level full

Correct Answer

Explanation

Which atom has only two electrons?

Correct Answer

Explanation

Which atom has two electrons in its first orbit and eight in its next orbit (and non other electrons)?

Correct Answer

Explanation

Which atom has its first three orbits full (18 electrons in all)

Correct Answer

Explanation

Refer to the periodic table, which column are helium, neon, and argon are in?

Correct Answer

Explanation

The noble gases do not react chemically with other atoms

Correct Answer

Explanation

All other atoms of all of the elements, other than noble gases, tend to combine with other atoms

Correct Answer

Explanation

It is found that atoms in the first column unite with the column

Correct Answer

Explanation

With elements of which column would you expect column 2 elements to unite in a 1-to1 ratio?

Correct Answer

Explanation

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