An atom of element X has one more shell of electrons than an atom of beryllium, but it has one less valence electron than beryllium. Which element is element X?
Which property of metals allows aluminum to be flattened into thin sheets of aluminum foil?
Atoms of elements at the top of a group on the periodic table are smaller than the atoms of elements at the bottom of the group. How does this help explain the difference in the reactivity of metals within a group?
Which statement correctly compares an atom of an alkali metal with an atom of the alkaline earth metal next to it on the periodic table?
Which metal in Period 5 is very reactive and has two valence electrons in each atom?
Mrs. Franklin loves teaching science and thinks about it all the time. While walking one day, she steps on a warm, fresh piece of used gum. The gum flattens and sticks to her shoe. When she lifts her foot, she sees long strings of gum between her shoe and the sidewalk. She thinks, “What a great demonstration of the properties of metals!”What properties of metals would Mrs. Franklin most likely teach about with this demonstration?
Metals are used in many products because of the characteristic properties that most metals share. Which properties of the metal tungsten make it useful in the thin, glowing filaments of light bulbs?
Elements are organized on the periodic table based on their properties. Which statement correctly predicts and explains the chemical reactivity of two different metals?
Which element is most likely to bend without breaking?
Based on its location on the periodic table, which metal is likely to be less reactive than rubidium and more reactive than calcium?
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