Summative Review - Missed Questions

Which of the following is a physical characteristic of a metalloid?

• texture
• malleable
• brittle
• semi-conductor

I can be drawn into wires. I am...

• Malleable

• Ductile

• Luster

• Conductor

A student is examining the physical properties of a sample. The sample is malleable, but does not conduct electricity nor have luster. This sample would be a...

• metal 
• nonmetal 
• metalloid

I can be hammered into flat sheets. I am ....

• Malleable

• Ductile

• Luster

• Conductor

Reactivity of a subject is a _____ change.

• chemical

• physical

Elements in the shaded area can best be described as -

• Semi-conductors

• Insulators

• Ductile

• Siny

A gas has _________.

• has a definite shape and volume

• fast-moving particles

Has a definite volume but not a definite shape

• Solid

• Liquid

• Gas

Using a hot plate to heat a solid until it changes color and releases an odor would provide evidence of a chemical change because the particles cannot be changed back. This is what type of change?

• chemical

• physical

An element has properties of both metals and nonmetals. Where would it be found in the periodic table? 

• To the right 
• To the left 
• on the zig zag line