Unit 1: Properties of Matter
This is the state of matter that has no definite volume or shape.
What is a gas?
What are safety goggles?
This is the atomic number for zirconium (Zr).
This is the reason noble gases never react with other elements on the periodic table.
This is the bond that forms between a metal and a metal.
What is a metallic bond?
This is an example of a homogeneous mixture.
What is (answers will vary)?
The volume of the graduated cylinder shown on the TV is the following.
What is 36 mL?
This is why the average atomic mass on the periodic table is a decimal number.
What is because it is the weighted average of all the isotopes of that element?
This is the full electron configuration for silicon.
What is 1s22s22p63s23p2?
This is the name for an element that is touching the stairstep line on the periodic table.
What is a metalloid?
This is an example of a compound.
What is (answers will vary)?
The mass of the triple beam balance shown on the TV is as follows.
What is 167.0 g?
This is the atomic number of an isotope with the symbol 184W.
What is 74?
What is (picture on the board)?
This is the correct name for the covalent compound N2O.
What is dinitrogen monoxide?
Boiling water is an example of this kind of change.
What is a physical change?
This is the density of an object with a mass of 3.0 g and a volume of 9.3 mL.
What is 0.32 g/mL?
This is the number of neutrons in an atom of silver that has a mass number of 108.
What is 61?
This is the shorthand (abbreviated) configuration for krypton (Kr).
What is [Ar]4s23d104p6?
This is the correct formula for the ionic compound chromium (III) sulfate.
What is Cr2(SO4)3?
Ethanol (C2H5OH) is an example of this type of matter.
What is a compound?
This is the volume of an object with a density of 3.77 g/mL and a mass of 22.8 g.
What is 6.05 mL?
This is the symbol for an element with 17 protons, 18 electrons, and 20 neutrons.
What is 37Cl-1?
This is the correct electron configuration for a calcium ion.
What is 1s22s22p63s23p6?
or
What is [Ne]3s23p6?
This is the correct model for the formation of a bond between 2 carbon atoms and two hydrogen atoms.
What is (the picture is on the board)?