5337181
Descripción
Fichas por ILHAM HASSAN, actualizado hace más de 1 año
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Creado por ILHAM HASSAN
hace más de 8 años
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| Pregunta | Respuesta |
| WHAT IS A COMPOUND? | COMPOUNDS ARE SUBSTANCES MADE FROM LATTICES OR IDENTICAL MOLECULES WITH TWO OR MORE TYPES OF ATOMS. |
| WHAT ARE COMPOUNDS MADE UP FROM? | SOME COMPOUNDS ARE MADE UP FROM MOLECULES. |
| HOW MANY ELEMENTS IS THE HUMAN BODY MADE UP FROM? | THE HUMAN BODY IS MADE UP 16 ELEMENTS. |
| WHAT IS THE 6 MOST COMMON ELEMENTS THE BODY IS MADE UP OF? | OXYGEN-65% CARBON-18% NITROGEN-3% CALCIUM-1.5% HYDROGEN-10% PHOSPHORUS-1% |
| WHAT IS THE FORMULA FOR CARBON MONOXIDE? | THE FORMULA IS CO |
| WHAT DOES THE FORMULA H2O INDICATE? | IT INDICATES THAT THERE ARE TWO HYDROGEN ATOMS AND ONE OXYGEN ATOM IN EACH WATER MOLECULE. |
| WHAT DOES FORMULA CO2 (CARBON DIOXIDE) INDICATE? | IT INDICATES THAT THERE IS ONE CARBON ATOM AND TWO OXYGEN ATOMS. |
| WHAT ARE COMPOUND LATTICES? | COMPOUND LATTICE SIS WHEN THE ATOMS ARE BONDED VERY STRONGLY TO EACH OTHER SO THEY TEND TO BE VERY HARD SOLIDS. |
| WHAT IS THE SCIENTIFIC NAME FOR TABLE SALT? | SODIUM CHLORIDE |
| WHAT IS THE CHEMICAL FORMULA FOR SODIUM CHLORIDE . | NaCl |
| WHY IS NaCl NOT A MOLECULAR FORMULA? | BECAUSE IT DOES NOT CONTAIN MOLECULES. |
| WHAT DOES THE NaCl FORMULA TELL YOU? | IT TELLS YOU THAT IN THE CRYSTAL LATTICE THERE IS ONE SODIUM FOR EVERY CHLORINE. |
| WHAT ARE TWO COMMON EXAMPLES OF COMPOUND LATTICES? | TABLE SALT AND BEACH SAND. |
| WHAT IS THE SCIENTIFIC NAME FOR BEACH SAND? | SILICA OR SILICON DIOXIDE. |
| WHAT IS THE CHEMICAL FORMULA FOR SILICON? | SiO2 |
| WHAT DOES THE FORMULA SiO2 (SILICON) INDICATE? | IT INDICATES THAT IN EACH GRAIN OF BEACH SAND THERE IS ONE SILICON ATOM FOR EVERY TWO OXYGEN ATOMS. |
| WHAT DOES MISCIBLE MEAN? | IT MEANS LIQUIDS THAT CAN BE MIXED. |
| WHAT DOES IMMISCIBLE MEAN? | IT MEANS LIQUIDS THAT DON'T MIX. |
| WHAT IS AN ALLOY? | ALLOYS ARE A MIXTURE OF A METAL WITH OTHER METALS OR NON-METALS. |
| WHAT TWO ELEMENTS PRODUCE STAINLESS STEEL? | CHROMIUM AND NICKEL PRODUCE NICKEL. |
| WHAT ARE SOME COMMON ALLOYS? | STAINLESS STEEL BRASS STERLING SILVER SOLDER |
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