1) Which element has the SMALLEST Atomic Radius?  a) Helium b) Francium 2) Which element has the HIGHEST Electronegativity? a) Fluorine b) Francium 3) Which element has a LARGER Atomic Radius? a) Lithium b) Neon 4) Which element has a HIGHER Electronegativity? a) Hydrogen b) Potassium 5) Which element has a SMALLER Atomic Radius?  a) Chlorine b) Bromine 6) Which element has a LOWER Electronegativity? a) Oxygen b) Hydrogen 7) Which element has a LARGER Atomic Radius? a) Potassium b) Calcium 8) Which element has a HIGHER Electronegativity? a) Magnesium b) Chlorine 9) Which element has a SMALLER Atomic Radius? a) Aluminum b) Neon 10) Which element has a LOWER Electronegativity? a) Nitrogen b) Phosphorus 11) Which atom has the larger radius a) K b) K+ 12) atomic radius increase a) down a group and to the left b) up a group and to the right 13) Electronegativity is defined as  a) the size of an atom b) ability of an atom to attract electrons c) the amount of energy required to remove one electron 14) Which atom has the smaller radius a) N b) N-3 15) Atomic radius increases down a group because a) there are more energy levels b) they are more stable c) more protons are pulling in the electrons 16) Which atom is larger a) Cl b) Cl-1 17) Noble gases a) have the lowest ionization energy  b) have no electronegativity  c) are the most reactive 18) Chemical reactivity increases a) down a group b) up a group 19) Ar (argon) has a higher ionization energy than C (carbon) because  a) Ar is stable  b) Ar is larger  c)   20) Atomic radius decreases from left to right because a) there are more energy levels b) there are more protons pulling the electrons in tight

Periodic Trends Practice 1

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