Polyatomic molecules - Study guides, Class notes & Summaries

CHEM 1201 Exam 1 With 100% Correct And Verified Answers 2024 CO32- - Correct Answer-Carbonate (polyanion) NO3- - Correct Answer-Nitrate (polyanion) PO43- - Correct Answer-Phosphate (polyanion) SO42- - Correct Answer-Sulfate (polyanion) ClO4- - Correct Answer-Perchlorate (polyanion) How many oxygen are in a polyatomic anion named per-___-ate? - Correct Answer-4 oxygen How many oxygen molecules are in a polyatomic anion that's name ends in -ate? - Correct Answer-3 oxygen How...

Honors Chemistry Midterm Review Verified Answers Chemistry: ️ The study of matter, its properties, and the changes it undergoes. Element: ️ A substance that cannot be broken down any further into simpler substances. Compound: ️ Composed of two or more separate elements. Chemical Reaction: ️ A process that involves the rearrangement of the molecular or ionic structure of a substance. Physical Change: ️ Changes that do not result in the formation of a new, d...

Alloy - A mixture of two or more metals Amorphous solids - a solid that lacks order and has random or disordered arrangements of particles Atomic solids - A solid formed by the weak attraction between noble gas atoms covalent network solid - A solid formed by covalent bonds among nonmetal atoms in an extended array. Crystal lattice - A 3-dimensional geometric arrangement of the atoms or molecules or ions composing a crystal Crystal structure - the arrangement of atoms, ions, or molecules...

matter - correct answer takes up space and weighs something, has volume and mass, and thus density density - correct answer g/mL mixtures - correct answer two or more compounds mixed together compounds - correct answer groups of identical molecules 3 types of mixtures - correct answer ...

Protons positively charged particles Neutrons neutrally charged particles Electrons negatively charged particles Cations positively charged ions Anions negatively charged ions Mass Number sum of number of protons and neutrons in nucleus of an atom Isotope two or more forms of the same element (same number of protons) whose atoms differ in number of neutrons, and in mass, with the same atomic number and different mass number. Quantitative information such as numerical data Qualita...

CHEM 1020 FINAL EXAM QUESTIONS| WITH COMPLETE SOLUTIONS what is a major difference between organic and inorganic compounds? - -organic contain carbon what is the reason why there are so many organic compounds? - -carbon atoms can form stable covalent bonds with other carbon atoms functional groups are - -to organic chem as polyatomic ions are to inorganic chem, are chemically bound to each other in order to develop larger molecules the vast number of organic compounds is due to the uniqu...

1. Question: When comparing Be2 and H2: 2. Question: Atoms that are sp2 hybridized form ____ pi bond(s). 3. Question: The hybridization of the nitrogen atom in the cation NH2+ is: 4. Question: Which one of the following molecules has an atom with an incomplete octet? 5. Question: Nitrous oxide (N2O) is sometimes called "laughing gas". What is the formal charge on the central nitrogen atom in the most favorable Lewis structure for nitrous oxide based on minimizing formal charge overall? 6....

1. Question: When comparing Be2 and H2: 2. Question: Atoms that are sp2 hybridized form ____ pi bond(s). 3. Question: The hybridization of the nitrogen atom in the cation NH2+ is: 4. Question: Which one of the following molecules has an atom with an incomplete octet? 5. Question: Nitrous oxide (N2O) is sometimes called "laughing gas". What is the formal charge on the central nitrogen atom in the most favorable Lewis structure for nitrous oxide based on minimizing formal charge overall? 6....

HESI A2 ENTRANCEEXAM FOR CHAMBERLAINCOLLGE OF NURSING 2023 QUESTIONS WITH ANSWERS CHEMISTRY HESI A2 CHEMISTRY V1/V2 FILE 1. If a Hydrogen isin a compound, what would its oxidation number be? +1 2. What isthe oxidation number of any simple ion? +1 or -1 depending on the charge of the ion 3. How many kilograms are in a pound? 0. kg 4. What is the temperature for freezing point of water in Celsius? 0 degrees Celsius (32°F for Fahrenheit) 5. What is the conversion of Celsius to Fah...

ionic bonds - ANSWERtwo oppositely charged ions (2Na + Cl₂ = 2Na⁺+2Cl⁻) metals tend to ______ electrons - ANSWERlose nonmetals tend to ______ electrons - ANSWERgain covalent bonds - ANSWERshare at least one pair of electrons so both atoms have 8 valence electrons 2 types of covalent bonds - ANSWERpolar, nonpolar polar covalent bond - ANSWERunequal sharing of electrons, difference in electronegativity 0.5-1.6 nonpolar covalent bond - ANSWERelectrons are shared equally, ele...