Which family is the most reactive Non-Metals

• Alkali Metals (Group 1)

• Alkaline Earth Metals (Group 2)

• Transition Metals (Group 3-12)

• Halogens (Group 17)

• Noble Gases (Group 18)

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As you move down a group on the periodic table atoms get bigger. This is because ____________.

• The atoms have more mass.

• The atoms have more protons.

• The atoms have more energy levels

• The atoms have more nuetrons

Atoms that have a high electronegativity, _______________.

• give up their electrons more easily.
• Attract electrons to themselves in a bond

• have more electron shells.

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Mendeleev first arranged the Periodic Table by mass. Mosely late changed this by arranging the table by _____________. We still use this method today.

• Atomic Number

• Average Atomic Mass

• Number of electrons

• Electron Affinity

Which atom has the largest atomic radius?

• potassium (K)

• rubidium (Rb)

• francium (Fr)

• cesium (Cs)

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Electronegativity __________ from left to right within a period and __________ from bottom to top within a group.

• decreases, increases 
• increases, increases
• increases, decreases 
• stays the same, increases

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As you move across the periodic table atoms tend to get smaller because, ______________.

• the atoms have more mass.
• the atoms have less mass
• the atoms have more protons.
• the atoms have less electrons.

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What is the name of the family that is highlighted?

• Alkali Metal Family

• Halogen Family

• Alkaline Earth Metals

• Transition Metal Family

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Which has the greater Electronegativity:

Cl or Al?

• Cl

• Al

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Which family is the most reactive Metals

• Alkali Metals (Group 1)

• Alkaline Earth Metals (Group 2)

• Transition Metals (Group 3-12)

• Halogens (Group 17)

• Noble Gases (Group 18)

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