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Science 7 Def.
Chemistry
Question | Answer |
---|---|
ATOMS HELD TOGETHER BY CHEMICAL FORCES | MOLECULES |
THE SUBSTANCE FORMED WHEN TWO OR MORE DIFFERENT ELEMENTS CHEMICALLY JOIN TOGETHER, THE REARRANGING OF ATOMS IN A CHEMICAL CHANGE. | COMPOUND |
THE JOINING OF DIFFERENT TYPES OF ATOMS TO FORM A COMPOUND, ASLO CALLED A CHEMICAL CHANGE | CHEMICAL REACTION |
A METHOD THAT USES CHEMICAL SYMBOLS AND NUMBERS TO SHOW THE MAKE-UP OF COMPOUND | CHEMICAL FORMULA |
A TERM THAT DESCRIBES A SHELL COMPLETELY FILLED WITH ELECTRONS | CLOSED |
A TYPE OF BAND FORMED WHEN ATOMS SHARE ELECTRONS | COVALENT BOND |
AN ATOM THAT HAS GAINED OR LOST ELECTRONS | ION |
AN ATOM WITH FEWER ELECTRONS THAN NORMAL | POSITIVE ION |
AN ATOM WITH MORE ELECTRONS THAT NORMAL | NEGATIVE ION |
A BOND FORMED BY THE ELECTRICAL ATRACTION BETWEEN OPPOSITELY CHARGED IONS. | IONIC BOND |
A COMPOUND THAT FORM HYDROGEN IONS (H+) WHEN DISSOLVED | ACID |
A COMPOUND THAT FORMS HYDROXIDE IONS (OH-) WHEN DISSOLVED IN WATER. | BASE |
A BASE THAT DISSOLVES IN WATER | ALKALI |
THE SCALE USED TO SHOW THE CONCRTRATION OF AN ACID OR A BASE IN A SOLUTION | PH SCALE |
A TERM THAT DESCRIBES A SOLUTION THAT IS NEITHER BASIC NOR ACIDIC | NEUTRAL |
A SUBSTANCE THAT CHANGES COLOR WHEN EXPOSED TO ACID OR BASE SOLUTION | INDICATOR |
TO MAKE A SOLUTION NEUTRAL BY COMBINING AN ACID AND A BASE TO FORM WATER AND SALT. | NEUTRALIZE |
A COMPOUND THAT FORMS AFTER A BASE AND AN ACID COMBINE | SALT |