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Semimetals, also known as metalloids, share properties of both metals and nonmetals. Metallic in their appearance, they can be both bright and opaque with an easily modifiable shape but they are not g ...
Halogens (from the Greek, salt-forming) are very useful elements since, as the name implies, they form salts when they react with metals. Without the halogens we would not have sodium chloride, better ...
Lanthanides are a group of elements also called "rare earths" because they are in the form of oxides. They form the "internal transition elements" next to the actinides, with which ...
Locate each of the skull bones in the game. Drag and drop the pieces of this game in the right place.
On mobile you can zoom in or out of the game and adjust the size to the screen of your device. You ...
Lanthanides are a group of elements also called "rare earths" because they are in the form of oxides. They form the "internal transition elements" next to the actinides, with which ...
Locate each of the skull bones in the game. Drag and drop the pieces of this game in the right place.
On mobile you can zoom in or out of the game and adjust the size to the screen of your device. You ...
Locate each of the bones of the human body in the game. Drag and drop the pieces of this game in the right place.
On mobile you can zoom in or out of the game and adjust the size to the screen of your ...
Locate each of the skull bones in the game. Drag and drop the pieces of this game in the right place.
On mobile you can zoom in or out of the game and adjust the size to the screen of your device. You ...
Locate each of the bones of the human body in the game. Drag and drop the pieces of this game in the right place.
On mobile you can zoom in or out of the game and adjust the size to the screen of your ...
The alkaline earths take their name from the one who received their oxides, "earths", which have alkaline properties. They are harder than alkali metals, have shine and are good electrical c ...
Semimetals, also known as metalloids, share properties of both metals and nonmetals. Metallic in their appearance, they can be both bright and opaque with an easily modifiable shape but they are not g ...
Halogens (from the Greek, salt-forming) are very useful elements since, as the name implies, they form salts when they react with metals. Without the halogens we would not have sodium chloride, better ...
Lanthanides are a group of elements also called "rare earths" because they are in the form of oxides. They form the "internal transition elements" next to the actinides, with which ...
Locate each of the skull bones in the game. Drag and drop the pieces of this game in the right place.
On mobile you can zoom in or out of the game and adjust the size to the screen of your device. You ...
Lanthanides are a group of elements also called "rare earths" because they are in the form of oxides. They form the "internal transition elements" next to the actinides, with which ...
Locate each of the skull bones in the game. Drag and drop the pieces of this game in the right place.
On mobile you can zoom in or out of the game and adjust the size to the screen of your device. You ...
Locate each of the bones of the human body in the game. Drag and drop the pieces of this game in the right place.
On mobile you can zoom in or out of the game and adjust the size to the screen of your ...
Locate each of the skull bones in the game. Drag and drop the pieces of this game in the right place.
On mobile you can zoom in or out of the game and adjust the size to the screen of your device. You ...
Locate each of the bones of the human body in the game. Drag and drop the pieces of this game in the right place.
On mobile you can zoom in or out of the game and adjust the size to the screen of your ...
The alkaline earths take their name from the one who received their oxides, "earths", which have alkaline properties. They are harder than alkali metals, have shine and are good electrical c ...
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