Safety
Should be worn at all time to decrease likelihood of eye injury.
What is Goggles
A chemical property listed amongst the group : color, density, odor, flammability, boiling point, melting point, bending.
What is Flammability ?
Matter only made of 1 kind of atoms
What is an element
Liquids, solids, gases, and plasma
4 states of matter
A physical combination of elements in which parts can or cannot be distinguished from one another
What is a mixture ?
the most essential rule for lab safety that is fully enforced.
What is always behave responsibly
If the answer is no the statement describes a physical property.
Was the substance chemically changed?
The electrical force that holds together a compound
What is a chemical bond
Periods on the Periodic table
What are the periodic tables rows called?
6.022 x 10 ^23
What is the amount of atoms in a mole?
Notify the instructor, then use the eye wash station for 15 minutes.
What should be done if a chemical gets into the eye
The microscopic view of a substance including atoms and molecules.
What is particulate level?
C2H6 and O2 in the formula C2H6 + O2 --> CO2 +H2O.
What are the reactants ?
3 Valence electrons in this column
What are the valance electrons in column 13
The added atomic masses of every element in a compound as well as the number of elements.
What is the molar mass?
Put chemicals into a temporary container and ask teacher for instructions
What should be done when excess chemicals are removed from the container.
Formation of gas without a temperature input
What is an indicator of a chemical change?
The formula for a compound containing 12 Carbon, 22 Hydrogen, and 11 Oxygen
What is the formula C12H22O11?
The three fundamental laws of chemistry
What are the law of conservation of mass, law of definite proportions, and the law of multiple proportions.
the equal sides of the formula N2 + 3 H2 --> 2NH3
What is a balanced formula
Point the vessel away from your face while gently fanning vapors towards the nose
What is the procedure for smelling a chemical
What is a state change?
4H2 + 2O2 --> 4H2O
What is the written formula for the reaction 4 hydrogen gas molecules react with 2 oxygen gas molecules to produce 4 water molecules.
The charge of ions in group 17
Oxygen in the formula 2 B + O2 --> 2BO . If we have 12 B and 5 O.
What is the limiting reactant