Chemical Traits & PTable

The part of the atom that is most important in defining it's "chemical behavior" (how it mingles with other atoms).

• Proton number

• Neutron number

• Total Electron number

• Valence electron number

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This "group" of elements has a full valence shell and is essentially chemically non-reactive.

• Metals

• Non-metals

• Transition metals

• Noble Gases

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NGSS.HS-PS1-1

Columns of elements on the periodic table (groups)...

• Have the same number of protons

• Have the same number of neutrons

• Have the same number of valence electrons

• Have exponential transfigurative properties

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NGSS.HS-PS1-1

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As you move to the right across a row on the periodic table...

• Atomic number increases

• An atom's hold on its electrons decreases

• Mass number doubles

• Valence electron number doubles

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NGSS.HS-PS1-1

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Which of these elements has 2 valence electrons?

• Sodium (Na)

• Calcium (Ca)

• Copper (Cu)

• Sulfur (S)

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NGSS.HS-PS1-1

Which of these elements has 6 valence electrons?

• Sodium (Na)

• Calcium (Ca)

• Copper (Cu)

• Sulfur (S)

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NGSS.HS-PS1-1

Which of the following is a "non-metal?"

• Sodium

• Magnesium

• Titanium

• Carbon

Which element of the options below would be the hardest to remove electrons from (has the highest ionization energy and/or electronegativity)?

• Lithium

• Barium

• Phosphorus

• Chlorine

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NGSS.HS-PS1-1

What do Magnesium, Calcium, and Strontium have in common?

• Same number of protons

• Same number of valence electrons

• All are non-metals

• All have a full valence shell

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NGSS.HS-PS1-1

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Fluorine, Chlorine, and __ all have __ and __ .

• Bromine, 7 valence electrons, want to gain 1 e- to have a full valence shell.

• Bromine, 1 valence electron, wants to gain 7 e- to have a full valence shell.

• Oxygen, full valence shells, are non-reactive.

• Oxygen, the same number of electrons, protons.

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NGSS.HS-PS1-1

NGSS.HS-PS1-2