13. How many neutrons are in this isotope? (}_{9)^19F Type a response
Uses organic acid salts that are not abrasive to water pumps, but provide the correct pH Select one: A. Orange Coolant B. Hybrid Organic Acid Technology C. Inorganic Acid Technology D. DEX-COOL
In general, how many unit factors are required to solve a mass-volume stoichiometry problem? one C two three four none of the above
In general, how many unit factors are required to solve a mass mass stoichiometry problem? one two three four none of the above
It is possible to find these four things on GHS a chemical label. 1. product identifier 2. pictograms 3. hazard statements 4. signal word True False
Why is it important to know the number of valence electrons of an atom? Nuclear Atomic Mass Isotopes Bonding
How many formula units are present in 872 grams of lead (IV)carbonate?
Which of these safety rules is MOST important to remember in chemistry class? (Hint...think about lab rules from brick and mortar classes and what would keep you safe!) Wear closed-toe shoes and goggles when needed Run to your lab station to be first Bring your lunch into the lab for long experiments Always taste chemicals to identify them
What's the best definition of chemistry? The study of matter and the changes it undergoes The study of the Earth and its processes The study of living organisms The study of stars and planets
Which instrument is used for holding, mixing, and heating small amounts of substances Pipette Test Tube Secchi Disc Graduated Cylinder
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
