Protoxide is valid Scrabble Word

Is protoxide a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is protoxide valid Words with Friends?
Words with Friends NO

9 letters word
19 points in Scrabble
20 points in WWF

Definitions for PROTOXIDE in dictionary:

NOUN:

that one of a series of oxides having the lowest proportion of oxygen, also PROTOXID
oxide of an element that contains the smallest amount of oxygen of any of its oxides
That one of a series of oxides having the lowest proportion of oxygen. See Proto-, 2 (b).

Words related to PROTOXIDE

protoxid18 protoxides20

Words that contain PROTOXIDE

protoxides20

How to use PROTOXIDE in a sentence

The precipitate being washed, dried, and exposed to a red heat, and weighed, nine-tenths of its weight indicate the weight of protoxide of iron contained in the water.
Reduction is much facilitated by the employment of metallic tin, whereby the protoxide or the reduced metal may be obtained in a comparatively brief time.
When heated with hydrochloric acid, it produces chlorine gas, and is dissolved to a salt of the protoxide.
By heating it in the oxidation flame, it acquires a dark green color, and is partly reduced to protoxide.
In the reduction flame it presents a black appearance, and is there completely reduced to protoxide.
The protoxide is the base of the salts of manganese.
By digestion with acids, it is dissolved into salts of the protoxide.
It is not magnetic, and has less affinity for acids than the protoxide.
By ignition in the oxidation flame, protoxide of nickel is unaltered.
It exhibits before the blowpipe the same behavior as the protoxide.

Protoxide of lead absorbs oxygen from the atmosphere while melting, which is given off again by cooling.
It fuses quickly, and is then covered with a yellowish-brown protoxide until all the lead is converted into the protoxide, which melts to a yellow liquid.
Protoxide of lead melts in the flame of oxidation to a beautiful dark yellow bead.
The red oxide in this case is reduced to the protoxide.
Heated upon platinum foil, it first turns black, is reduced to the protoxide, and melts into a dark yellow liquid.
By the addition of more oxide, a yellow sublimate of protoxide is produced upon the charcoal.
When protoxide of tin is ignited with free access of air, it takes fire and is converted with considerable intensity into the acids, producing white vapors.
Some neutral salts of the protoxide are only partly soluble in water, as they are converted into basic insoluble and acid soluble salts.
Protoxide of mercury is completely insoluble in hydrochloric acid.
There arises from its surface a fine dust of metallic globules, which are covered with the protoxide.
The surface of the metal is likewise covered with the protoxide.

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