Physical Science Final Review

Front

What is the molecular structure of carbon dioxide?

Back

Carbon dioxide (CO2) has a linear molecular structure with one carbon atom double bonded to two oxygen atoms.

Front

What is a negatively charged particle found outside the nucleus?

Back

Electron

Front

What is a kind of matter that cannot be broken down into any other kind of substance?

Back

Elements

Front

Which color on the periodic table corresponds with the metalloids?

Back

Bright yellow.

Front

How many protons, electrons, and neutrons does Neon have?

Back

Neon has 10 protons, 10 electrons, and 10 neutrons.

Front

What is the atomic number of an element?

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 an element and a compound?

Back

An element is a pure substance that cannot be broken down, while a compound is made up of two or more elements chemically combined.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals, and are found along the zig-zag line on the periodic table.

Front

What is the significance of the atomic mass of an element?

Back

The atomic mass is the weighted average mass of an element's isotopes, reflecting the number of protons and neutrons in the nucleus.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.