What do lines represent in a structural formula? a. Lone electron pairs b. Single bonds c. Double bonds d. Shared electron pairs

The fatty acid arachidonic acid has 20 carbons and 4 double bonds What is the shorthand notation used to summarize its structure? Provide your answer below:

Copper, a good conductor, has __ electron(s) in its valence shell. a. 1 b. 3 c. 4

Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of 0.0026Mcdot s^-1 2NH_(3)(g)arrow N_(2)(g)+3H_(2)(g) Suppose a 300. mL flask is charged under these conditions with 450.mmol of ammonia. How much is left 100 s later? You may assume no other reaction is important. Be sure your answer has a unit symbol,if necessary, and round it to the correct number of significant digits. square

To identify a chemical's hazards, check its: Smell Color MSDS

Cleaning chemicals are generally not health hazards True False

A 0.788 mole sample of ideal gas at 12^circ C occupies a volume of 4.25 L. What is the pressure of the gas? square

1 124 . Select the best entires __ are the most reactive metals especially with water. Salts Halogens Alkali Noble gases Cations

Identify the molecule or molecules containing polar covalent bonds. HF CsF Br_(2) KH N_(2)

Strong bases contain which of the following? Diatomics Nitrogen Transition metal Hydroxide

Hot Questions

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