Atoms and
Periodic Table
Periodic Table
What are the three subatomic particles
Protons, neutron, electrons
What are the substances before a chemical reaction occurs called
Reactants
How many electrons can the first electron shell hold
What type of elements form covalent bonds
non-metals
What charge does an electron have?
Negative
What are the groups is the periodic table
Vertical columns
What are the substances after a chemical reaction occurs called
Products
What does a full first three shells look like (octet rule)
2, 8, 8
What is covalent bonding
What is an anion and cation
Anion negatively charged ion
Cation positively charged ion
What element is in Group 8, Period 4
Iron
Aluminium and oxygen react to form Aluminium oxide. Write the word equation.
Aluminium + oxygen --> Aluminium oxide
Draw a Bohr diagram for Carbon
proton + neutrons in nucleus
2, 4 electron configuration
6p, 6n, 6e
What does the octet rule state
Atoms want to achieve a full valence shell (2, 8, 8)
Do non-metals usually gain or lose electrons in ionic bonding
What is an isotope
Same number of protons, different number of neutrons
What is the Law of Conservation of Mass
Matter/mass cannot be created or destroyed, only transformed or transferred
Draw a Bohr diagram for Sodium
proton + neutrons in nucleus
2, 8, 1 electron configuration
11p, 12n, 11e
What is the correct name for N2O3
Dinitrogen trioxide
What is the correct name for Al2O3
Iron oxide
Name one group and its property
Noble Gas - stable
Halogen + Alkali Metals - very reactive
Alkaline Earth Metals - reactive (not as reactive as G1)
Transition Metals - good conductors of heat + electricity
What is the word equation for photosynthesis
Water + CO2 --> oxygen + glucose
Draw a Bohr diagram for the element in Group 16, Period 3
Sulfur
protons + neutrons in nucleus
2, 8, 6 electron configuration
16p, 16n, 16e
Draw the electron configuration diagram for HCl (Hydrogen and Chlorine covalently bonded)
Hydrogen: H in middle, 1 electron in valence shell
Chlorine: Cl in middle, 2, 8, 7
One bonding pair between Hydrogen and Chlorine
+2