Periodic Table
Atomic Structure & Matter
Mixtures
Chemical Compounds
Elements
100

A list of all the known elements, sorted by atomic numbers, masses, and properties

What is the Periodic Table?

100

Anything that has mass and takes up space

What is matter?

100

A combination of elements and/or molecules to form a substance which can be easily separated through a physical change

What is a mixture?

100

The chemical formula for water

What is H2O?

100

Mg

What is the atomic symbol for magnesium?

200

Columns on the Periodic table that sort the chemical properties of each element

What are groups?

200

Matter cannot be created nor destroyed

What is the Law of Conservation of Mass?

200

A type of mixture where particles are evenly distributed and only has one solid texture; sometimes known as a solution

What is homogeneous?

200

CO2

What is the chemical formula for carbon dioxide?

200

The element with an atomic number of 7

What is nitrogen?

300

Rows on the Periodic Table that tell you how many electron shells an element has

What are periods?

300

A pure substance that is composed of two or more atoms and cannot be separated physically

What is a molecule?

300

A type of mixture where particles are NOT evenly distributed and has multiple visible textures

What is heterogeneous?

300

A pure substance that is made of two or more different atoms; it usually has different properties than the elements that make it

What is a compound?

300

Tin's atomic symbol

What is Sn?

400

Group 18; stable and unreactive elements

What are the noble gases?

400

Subatomic particles in the outermost electron shell of an atom; they determine an element's reactivity

What are valence electrons?

400

The two parts to a solution

What are solutes and solvents?

400

Substances that form when alkali metals and halogens react

What are salts?

400

Group 17, period 2 on the Periodic Table

What is fluorine?

500

Groups 3-12; all share similar chemical properties

What are the transition metals?

500

An atom with a positive/negative atomic charge because it has less/more electrons than it does protons

What is an ion?

500

An everyday mixture that is mostly composed of nitrogen, oxygen, argon, and carbon dioxide

What is air?

500

NaHCO3

What is the chemical formula for baking soda?

500

The atomic number for potassium

What is 19?

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