Pretest Answers

Calcium, magnesium, and strontium are near each other on the periodic table and have some characteristics in common, but they differ in chemical reactivity. Which lists these metals in order from most reactive to least reactive?

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?

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 statement correctly compares an atom of an alkali metal with an atom of the alkaline earth metal next to it on the periodic table?

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?

Which metal in Period 5 is very reactive and has two valence electrons in each atom?

Which element is most likely to bend without breaking?

Metals are used in many products because of the characteristic properties that most metals have. Which product requires the high luster of metals in order to work?

Chromium, calcium, and potassium are near each other on the periodic table and have some common characteristics but differ in chemical reactivity. Which lists these metals in order from most reactive to least reactive?

Each year, the science club puts on a science show for the students in the elementary school. Luis is planning demonstrations to show properties of metals. For one property, he decides to use a ball of pizza dough and a rolling pin. Which property of metals is Luis most likely going to demonstrate using these materials