Chem 1150
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31 questions
| 🇬🇧 | 🇬🇧 |
| 1g = ? mg | 1 x 10^3 |
| Convert µL to mL (the trick/hack) | Mulitply by 1/1000 |
| What is a molecular element? | The chemical species that has at least two atoms of the same chemical element bonded to each other via chemical bonding |
| A men’s regulation basketball has a volume of 434 in3. What is this volume in cubic centimeters, cm3? 1 inch = 2.54 cm | 7.11 x 10^3 cm3 |
| Exothermic | The release of heat |
| Exothermic | The release of heat |
| Convert Celsius to Fahrenheit | (X°C × 9/5) + 32 = F |
| Convert Celsius to Kelvin | X°C + 273.15 K |
| Formula for density | D= m/V |
| Mass equals? | D*V |
| Endothermic | The absorption of heat |
| Convert mL to quartz | Divide by 946 |
| Periodic trend: Electronegativity, ionization, and negative electron affinity (EA) increases as | Right and up |
| Periodic trends: electronegativity, ionization, and negative electron affinity (EA) decreases as | Down and left |
| Periodic trends: atomic radius increases as | Left and down |
| Periodic trends: ionization increases as | To the right and up |
| Periodic trends: atomic radius increases as | Left and down |
| Covalent bonds are | Bond between two nonmetals that share valence electrons |
| Ionic bonds are | Transferring valence electrons from metal atoms to nonmetal atoms |
| Noble gases elements (group 8A or 18) don’t : | Form chemical bonds |
| • IONS are ____ or groups of ____ with a _____ or ______ charge | Atom(s)/positive/negative |
| Convert mol to molecules | Avogadros number |
| Convert mols to grams | Mols (grams/mols) |
| Convert grams to moles | G x m/g |
| Concept of grams to molecules | Grams to mols to molecules |
| Convert grams to molecules | G x m/g then mols x molecules/mols |
| Concept of converting atoms to grams | Atoms to molecules to moles to grams |
| Convert atoms to grams | 1.atoms x (molecules/atoms) 2. molecules x (moles/molecules) 3. moles x (grams/moles) |