Safety
What does PPE stand for?
Personal Protection Equipment
Anything that has mass and takes up space is considered ________.
Matter
What are the three subatomic particle?
Protons, Neutrons, Electrons
How is the periodic table currently arranged?
Increasing atomic number
What is the difference between Sulfate and Sulfite?
Sulfate has more Oxygen atoms
5 minutes
This type of matter has a fixed volume, but NOT a fixed shape
Liquids
The cathode ray tube allowed us to discover the charge of which subatomic particle? What is its charge?
Electrons; Negative
Electrons found in the outermost shell
Valence Electrons
What is Copper's charge in CuN
3+
What is the correct way to smell a substance in the chem lab?
Wafting it
Bubbles, Precipitate, Color change, temperature change
What is an atom's nucleus composed of?
Protons and Neutrons
Which columns are the "Main Group Elements"?
1, 2, 13-18
What changes about the anion's name in an ionic compound?
-ide
How should you hold a test tube when heating it over a flame?
With tongs at an angle
Mass/volume
The atomic number tells us what?
Number of protons and electrons
24
What type of compound is formed when a cation reacts with an anion?
Ionic compound
Which is more accurate for measuring: beaker or graduated cylinder?
Graduated cylinder
What are the two different types of mixtures?
Homogenous and Heterogenous
How can we solve for the number of neutrons in an atom?
Subtract the atomic number from the mass number
Ionization energy is the energy required to remove what?
Electrons
Ionic compounds will conduct electricity when...?
They are liquid or dissolved
What's the first thing you should shut off if we have to evacuate the lab suddenly?
Gas
What is the difference between a mixture and a compound?
Compounds are chemically bonded
Atoms of the same element that have a different number of neutrons are known as _____________.
Isotopes
Halogens will most effectively form bonds with which group?
Alkali Metals
What type of Ions will atoms in group 15 form? Why?
3-; gain 3 electrons to achieve stable octet
How can you neutralize an acid spill?
Pouring baking soda on it
When energy is absorbed, it is known as an ____________ reaction. When it is released, it is known as an __________ reaction.
Endothermic/Exothermic
Which element has this electron configuration:
1s2 2s2 2p6 3s2 3p6 4s2
Calcium
When a halogen reacts with a cation, what is the common term for the substance formed?
Nearly all metals form _________.
Cations
How many atoms are in 1 mole? What is this number called?
6.022x10^23 atoms ; Avogadro's number
Electronegativity
Which has a stable octet: Na1+ or Ne?
They both do