Show:
Atoms
The Periodic Table- Basics
The Periodic Table- Families
Chemical Reactions & Bonds
Counting Atoms
100
What two kinds of particles are located in the nucleus of atoms?
What are Protons and Neutrons?
100
How are the elements of the periodic table ordered or arranged?
What is by increasing atomic number.
100
What is the name of group 2 on the periodic table, which includes Magnesium and Calcium? (Hint: Sometimes solutions made with these elements have a basic pH)
What is the Alkaline Earth Metals?
100
What type of bonding involves elements on the left AND right sides of the periodic table?
What is Ionic Bonding... Metals + Nonmetals
100
How many atoms (total) are in a molecule of water?
What is 3? (H20)
200
According to our current model of the atom, what is the 'fuzzy' area that surrounds the nucleus called? Hint: It is full of negatively charged particles
What is the electron cloud? ZING! Which compounds are Covalent? H2O, NaCl, MgO, HF, CO2, CaCl2
200
What are the horizontal (side to side) rows of the periodic table called?
What are periods?
200
Why might it be important to use protection when working with some of the heavy elements in the Lanthanide/Actinide series?
What is because of nuclear radiation- some of these elements are HIGHLY RADIOACTIVE
200
This type of bonding involves the giving & taking of electrons?
What is Ionic Bonding? ZING! What kind of elements are found along the 'zig-zag' line?
200
These drawings show only the outer electrons and are useful for representing chemical bonds.
What is the Lewis Dot Diagram?
300
According to our current model of the atom, what are atoms mostly made up of?
What is empty space?
300
Who was the Russian scientist who created the original periodic table?
What is Dmitri Mendeleev?
300
These metals, located in group 1 of the periodic table, are HIGHLY reactive. Some of them will EXPLODE when put in water.
What are the Alkali Metals? ZING! If an element has an atomic number of 6 and an atomic mass of 12, how many neutron does it have?
300
This type of bonding involves the SHARING of electrons?
What is Covalent Bonding?
300
What law tells us that you must "End up with what you start with" or "Matter cannot be created or destroyed"?
What is the Law of Conservation of Mass?
400
In a Bohr model of the atom, what are the circles around the nucleus called? Hint: There can be a maximum of 7 for the largest atoms
What are electron orbitals, energy levels, or electron shells?
400
What important information about an atom will the group or family (the up and down columns) tell you? Hint: This doesn't work for the transition metals, only for elements in groups 1,2 and 13-18.
What is the number of valence electrons?
400
This group of elements (including Cl, F and I) have a name that means 'salt-makers'. They form Ionic bonds with metals.
What are the Halogens?
400
Vocab word: What are atoms trying to 'get' when they form chemical bonds? (Hint: They are happy when they have X electrons)
What is an Octet?
400
How many TOTAL atoms are there in the following molecules? (on the board) DAILY DOUBLE
What is 48 atoms?
500
Two questions: What do we call atoms with more/fewer neutrons? What do we call atoms with more/fewer electrons?
What are Isotopes & Ions?
500
About how many elements are there on the periodic table?
What is (*about) 118? ZING! These solutions taste sour.
500
This LARGE grouping of elements have numbers of valence electrons that do not follow a pattern (they are 'unpredictable')
What are the transition metals?
500
How many valence electrons do the most reactive elements have?
What is one (or 7!) ?
500
Balance the following chemical reaction (on the board)
What is 2 HgO -------> 2 Hg + O2 ZING! What family is more reactive, the Halogens or the Noble Gases?