States of Matter
This state of matter has a definite shape and definite volume.
Solid
This number on the periodic table tells you the number of protons and electrons.
Atomic Number
____ runs horizontal on the periodic table.
Periods or Period
The type of substance has only one type of element.
Molecule
This type of substance has more than one type of element.
Compound
This states of matter has particles that are close together and can move around.
Liquid
If an atom's atomic mass is 32 amu and its atomic number is 16, then how many neutrons does it have?
16 neutrons
Name where metals, non-metals, and metalloids are located on the periodic table.
Metals: Left of black line, Non-Metals: Right of black line, Metalloids: Attached to the black line, except for Aluminum.
NH3 is an example of a
This tells you which elements make up a compound and how many atoms of each element are present.
Chemical Formula
What makes plasma different from gas and other states of matter?
Plasma particles have a charge.
How many neutrons does the element Aluminum have?
14 neutrons
This group contains all gases. You MUST answer with the group number and group name.
Group 18 and Noble Gases
If an image shows just one element throughout the entire substance, then it is representing a
Pure Substance
This element is located in group 12 and period 4.
Zinc
Name an example of a solid, liquid, gas, and plasma.
Answers may vary.
An atom has an atomic number of 12 and an atomic mass of 24. Assuming the atom is neutral, how many protons, neutrons, and electrons does it have?
12 Protons, 12 Neutrons, 12 Electrons
This element is located in Group 17 of the periodic table. Based on its location, how many valence electrons does it have, and what type of element is it?
7 valence electrons and it is a nonmetal (halogen)
A student examines a substance with the chemical formula CO2. Explain how many atoms are present in one compound and why this substance is classified as a compound.
3 atoms total - 1 carbon, 2 oxygen - and it is a compound because it is two different elements chemically bonded together.
This neutral atom has 29 electrons in it.
Copper (Cu)
A substance is heated, and its particles begin moving faster. Eventually, the particles spread further apart and move freely throughout their container. What phase change has occurred, and did the particles gain or lose energy?
Vaporization (liquid to gas) and gain energy
How much does a neutron weigh? Must include the unit.
1 amu
An unknown element is located in Group 1 and Period 3 on the periodic table. Identify the element and determine its number of valence electrons.
Sodium (Na) and 1 valence electron
A student compares the chemical formulas O2 and H2O. Both represent molecules, but only one represents a compound. Identify which one is the compound and explain why.
H2O because it contains two different elements bonded together.
Draw an electron dot diagram for the element Carbon.
Drawing on whiteboard