8th grade what-did-u-learn 4.16.2020

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8th grade what-did-u-learn 4.16.2020

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How many valence electrons does boron have in it's valence shell? *

1 point

1

2

3

4

5

How many protons does Boron have? *

1 point

1

2

3

4

5

Which of the following elements is reactive? *

1 point

Neon

Xenon

Radon

Calcium

How many bonds can an atom of Fluorine make in order to have a "full" valence shell of 8 electrons? *

1 point

1

2

3

4

How many bonds can an atom of Oxygen make in order to have a "full" valence shell of 8 electrons? *

1 point

1

2

3

4

How many bonds can one atom of Titanium form in order to have a "full" valence shell of 8 electrons? *

1 point

1

2

3

4

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