Question 2 (2 points) Which type of bond is an electrical attraction between fully charged (not partially- charged)atoms? Covalent bond. Van Der Waals bond Hydrogen bond. Ionic bond. Hybrid bond.
Devin knows(that his sample of strontium sulfate contains 2.4 moles. How many grams is this? Answer: square
Which of the following is a double replacement reaction? Ca(OH)_(2)+H_(2)SO_(4)arrow CaSO_(4)+2H_(2)O CH_(4)+2O_(2)arrow CO_(2)+2H_(2)O 8Fe+S_(8)arrow 8FeS Zn+H_(2)SO_(4)arrow ZnSO_(4)+H_(2)
Write the names of the following ionic compounds: NiSO_(4) square Fe_(2)(SO_(3))_(3) square Pb(NO_(2))_(2) square SnCO_(3) square
An ionic crystalline solid is hit with a hammer and shatters. Which of these is a property the solid will exhibit? malleability brittleness conductor
Question Carbohydrates usually have __ as many hydrogen atoms as carbon and oxygen atoms. Answer Input Soeling counts but capitalization doesn't square
Which of the following steps in solution formation is exothermic? Answer: A intermolecular forces. Overcoming the solute-solute B intermolecular forces. Overcoming the solvent-solute C intermolecular forces. Overcoming the solvent-solvent D intermolecular forces. Establishing the solute-solvent
P_(2)O_(3)+3H_(2)Oarrow 2H_(3)PO_(3) How many grams of diphosphorus trioxide, P_(2)O_(3) . are required to react completely with 4.0 moles H_(2)O ? molar mass P_(2)O_(3):109.94g/mol [?]gP_(2)O_(3)
What is the net ionic equation for the reaction of HCl with NaOH? HCl+NaOHarrow H_(2)O+NaCl H^++OH^-arrow H_(2)O 2H^++2Cl^-+Na_(2)^++2OH-arrow H_(2)O+Na_(2)^++2Cl^- H^++Cl^-+Na^++OH-arrow H_(2)O+Na^++Cl^-
A. Identify the type of attraction that holds covalent network solids together. B. Describe two of the following specific properties of covalent network solids: 1) general hardness 2) conductivity 3) effect on melting point
Which of the following alcohols will be used in this lab? Butanol Propanol Ethanol Methanol
Acidic dyes work best in low pH environments. are used for staining negatively charged molecular structures. are negatively charged and work best at low pH. are lipid soluble. are negatively charged.
How many protons does carbon have? 40 39.09 6 12
Measurements taken with a spectrometer require a __ to eliminate background readings from components other than what is being measured in the sample. Select one: a. sample b. replicate c. treatment d. blank
11. [Periodic Table and Periodic Law] Which of the following elements has the greatest tendency to attract electrons in a chemical bond? A. Carbon B. Oxygen C. Fluorine D. Nitrogen
-Develop possible solutions - Brainstorming - think of as many solutions as possible of \( \mathrm{CO}_{2} \) wooden car
8. Every chlorine atom has: 7 electrons 17 neutrons a mass number of 35 an atomic number of 17
1. $6P_{4}O_{10}+H_{2}O$ $3H_{3}PO_{4}$
What is the maximum number of electrons that can occupy a given orbital if they have different spins? 4 2 1 3
How will we know how many electrons are in each ATOM? Type your answer here