Question

test iii. identify whether each element below is classified as metal, non - metal & metalloid.

1. mercury -
2. erbium -
3. sodium -
4. polonium -
5. cerium -
6. bismuth -
7. hydrogen -
8. neon -
9. boron -
10. silicon -

Explanation:

Metals are typically good conductors of heat and electricity, have a shiny luster, and are malleable and ductile. Non - metals are generally poor conductors and have different physical properties. Metalloids have properties intermediate between metals and non - metals. Mercury is a liquid metal. Erbium, Sodium, Polonium, Cerium, and Bismuth are metals. Hydrogen and Neon are non - metals. Boron and Silicon are metalloids.

Answer:

1. Metal
2. Metal
3. Metal
4. Metal
5. Metal
6. Metal
7. Non - metal
8. Non - metal
9. Metalloid
10. Metalloid