Chemistry 1/13/14 Mrs. Turgeon “If you tell the truth, you don’t have to remember anything.” - Mark Twain DO NOW: In your notes: How many neutrons are there in an element with atomic number = 12 and mass number = 24 ? What is the name of this element? AGENDA: 1. Students will be able to remember and assess their knowledge of semester 1 chemistry by completing a review game HOMEWORK: STUDY for your final exam!

1/23/15 CHEMISTRY MRS.TURGEON “Happiness is not something ready made. It comes from your own actions.” –Dalai Lama OBJECTIVES SWBAT: Demonstrate knowledge of semester 1 during review DO NOW: Define the term: mass Define the term: volume

1/23/15 CHEMISTRY MRS.TURGEON DO NOW ANSWER: The amount of matter in a substance The amount of space a substance takes up

Recycle Ball One team picks a category and a point value. 15 seconds to discuss with team. I will randomly draw a name from the team to answer the question – no more discussions with group! If the team gets the correct answer, they get to shoot for more points.

200 points 100 points

Electron Configuration Jeopardy Trash Ball Bonding Ions & Isotopes Periodic Trends Atomic structure Electron Configuration 100 200 300 400 500

How many valence electrons does nitrogen have? Bonding : 100 How many valence electrons does nitrogen have? Answer: 5 Back

Answer: They are transferred (from the metal to the non metal) Bonding : 200 When an ionic bond forms, what happens to valence electrons? Answer: They are transferred (from the metal to the non metal) Back

Ionic bonds typically form between a metal and a ___________ . Bonding : 300 Ionic bonds typically form between a metal and a ___________ . Answer: non-metal Back

Bonding : 400 If magnesium and oxygen atoms come into contact, what is the chemical formula? Answer: MgO Back

What is the chemical formula when barium and chlorine form a bond? Bonding : 500 What is the chemical formula when barium and chlorine form a bond? Answer: BaCl2 Back

The mass number is determined by the number of____and ____ in an atom? Ions & Isotopes : 100 The mass number is determined by the number of____and ____ in an atom? ANSWER: Protons & Neutrons Back

Answer: It is a WEIGHTED average Ions & Isotopes : 200 Why is the average atomic mass not a whole number ? Answer: It is a WEIGHTED average of all the isotopes of that element Back

What is the charge of the ion formed by the halogen group? Ions & Isotopes : 300 What is the charge of the ion formed by the halogen group? Answer: 1- Back

Answer: negative ion (Br-) Ions & Isotopes : 400 If an element has 35 protons and 36 electrons, will it be a negative ion or a positive ion? Answer: negative ion (Br-) Back

Answer: Subtract atomic number from Ions & Isotopes : 500 If you know the mass number and atomic number of an atom, how can you determine the number of neutrons in that atom? Answer: Subtract atomic number from Mass number Back

Periodic trends : 100 As you move down the periodic table, does atomic radii increase or decrease? Answer: Increase Back

Periodic Trends: 200 As you move down the periodic table does electronegativity increase or decrease? Answer: decrease Back

Answer: Increased electron Periodic Trends : 300 Why does atomic radii increase as you move down the periodic table? Answer: Increased electron shielding Back

Why do elements in the same group have similar chemical properties? Periodic Trends : 400 Why do elements in the same group have similar chemical properties? Answer: They have the same number of valence electrons (outermost electrons) Back

Answer: For main group elements, You can look at the group number Periodic trends : 500 How can I use the periodic table to quickly determine how many electrons are in an atom’s outermost energy level? Answer: For main group elements, You can look at the group number Back

Answer: In orbitals around the nucleus Atomic Structure : 100 Where do we find electrons in an atom? Answer: In orbitals around the nucleus Back

Answer: Valence Electrons Atomic Structure : 200 What do we call the electrons in the outermost energy level ? Answer: Valence Electrons Back

What is an atom mostly made up of? Atomic Structure : 300 What is an atom mostly made up of? Answer: empty space Back

Answer: They all have a full octet in their outermost energy level Atomic Structure : 400 What is special about the atomic structure of the noble gases? Answer: They all have a full octet in their outermost energy level Back

What keeps an atom together? Atomic Structure : 500 What keeps an atom together? Answer: Coloumbic Attraction Back

Electron Configuration : 100 Why do electrons spread out around the nucleus? Use the word “charge” in your answer Answer: All electrons have a negative Charge, so they repel each other Back

Electron Configuration : 200 If two electrons occupy the same orbital, how MUST they behave according to the Pauli Exclusion Principal? Answer: have opposite spins Back

Electron Configuration : 300 What is the last orbital notation for carbon? Answer: 2p² Back

Electron Configuration : 400 Which color light has the lowest energy? Answer: RED Back

Electron Configuration : 500 When an electron jumps to a higher energy level, is it absorbing energy or releasing energy? Answer: absorbing energy Back