Periodic Table Intro

Front

What is a semiconductor?

Back

A semiconductor is a substance that has properties between those of metals and nonmetals, typically classified as a metalloid.

Front

What are the characteristics of metals?

Back

Metals are shiny, good conductors of electricity and heat, and are typically malleable and ductile.

Front

What common property do nonmetals share?

Back

Nonmetals are poor conductors of electricity.

Front

What does the number at the bottom of each square on the periodic table represent?

Back

The number at the bottom of each square on the periodic table represents the atomic mass of the element.

Front

How are elements arranged on the periodic table?

Back

Elements on the periodic table are arranged in increasing order of atomic number.

Front

What is an atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the difference between metals and nonmetals?

Back

Metals are typically shiny and good conductors, while nonmetals are dull and poor conductors of heat and electricity.

Front

What is a metalloid?

Back

A metalloid is an element that has properties of both metals and nonmetals.

Front

Give an example of a metalloid.

Back

Silicon is an example of a metalloid.

Front

What is the chemical symbol for gold?

Back

The chemical symbol for gold is Au.