In the table below, there are descriptions of an experiment on samples of three different chemical elements. Decide whether the element is a metal or nonmetal, if you can. If there is not enough information to decide, choose can't decide in the third column.

Question

Element 1 is a moderately soft yellow solid. Wires are connected to both ends of a small 1 cm long block of the element. When a high voltage is applied, the sample begins to smoke and turn brown?
Element 2 is a hard dark-red solid. A 10. g cube of it is set on a hot plate.
After 10 minutes, the temperature of the top of the cube has risen by less than 1 °C?
Element 3 is a shiny silvery-gray solid. A 5 cm x 5 cm square of it, only 1 mm thick, is flexed slightly by hand, putting a slight bend in the middle of the square.?

Answer 1

Element | Metal or Nonmetal | Can decide?

Element 1 | Metal | Yes
Element 2 | Metal | Yes
Element 3 | Metal or Nonmetal | Can't decide