Where Is Most of the Mass of an Atom Found?

1. Name: ______

1. Where is most of the mass of an atom found?

1. Where would you find the metals on the periodic table?

1. Where would you find the non-metals on the periodic table?

1. Where would you find the metalloids on the periodic table?

1. Where would you find the transition metals on the periodic table?

1. How do you determine the number of electrons in an atom?

1. Compare and Contrast endothermic and exothermic reactions. Use a Venn diagram if you would like.

1. Give 3 examples of a homogeneous mixture.

1. Give 3 examples of a heterogeneous mixture.

1. Which type of mixture is the “best mixed” of all mixtures?

1. How many electrons can fit in the following energy levels?

1st ______2nd ______3rd ______

1. What is the mass number of an element?

1. What is the atomic number of an element?

1. Where would you find the atomic number of an element?

1. What are the charge, location, and mass of a proton?

1. What are the charge, location, and mass of an electron?

1. What are the charge, location, and mass of a neutron?

1. What are groups on the periodic table?

1. What is similar about elements in the same group of the periodic table?

1. How can you determine if a solution is saturated, unsaturated, or supersaturated if you are given a solubility graph?

1. What is an alloy?

1. What is a colloid?

1. What are a solute and a solvent?

1. What are the elements to the left of the “stair-step” line of the periodic table called?

1. Which family of the periodic table contains the elements that do not combine with other elements and elements that do not typically react?

1. Which family of the periodic table contains elements that are active, strongly nonmetallic and react readily with the alkali metals?

1. What are the two rows that stand alone at the bottom of the periodic table called? (What is the overall name, and each row individually?)

1. Why is chlorine very reactive whereas Argon is very unreactive?

1. What is a valence electron and how do you identify it?

1. What is the oxidation number for the following elements?
2. Mg
3. Al

1. Distinguish between covalent and ionic compounds. Identify which are ionic and which are covalent
2. NaCl
3. SO4
4. Dinitrogen Trioxide
5. Beryllium Oxide
6. Carbon Monoxide

1. Name the ionic and covalent compounds below.

1. KCl
2. Mg3P2
3. Li2O
4. CCl4
5. AgBr
6. ZnCl2
7. SO2

1. Write the formula of the compounds below:

1. Calcium Oxide
2. Sodium Phosphide
3. Magnesium Sulfide
4. Dihydrogen trisilicide
5. Chlorine Dioxide
6. Potassium Oxide
7. Aluminum Oxide
8. Carbon Tetrachloride

1. Know how to balance equations. If you want extra practice/help, here is a website with balancing equations practice:
2. _____C3H8 +_____O2_____CO2 +_____H2O

1. _____Cu + _____O2 _____Cu2O

1. _____Mg + _____P4 _____Mg3P2

d. _____N2 + _____H2 _____NH3

1. Know the difference between endothermic and exothermic reactions.
2. In which type do the reactants have more energy than the products?

1. Which type of reaction would make the reaction container feel cool to the touch?

1. Which type of reaction would emit energy in the form of heat?

1. What are the products of acid-base neutralizations?

1. What types of compounds are typically acids?

1. What types of compounds are typically bases?

1. What are acid-base indicators that we used in class, and how do you determine if a substance is an acid or a base using each?

1. What solutions have a pH above 7?

1. What solutions have a pH below 7?

1. What solutions have a pH right at 7?

1. What are the four forces within the atom, and what is each force responsible for?

1. How do you determine the charge on an ion?

1. If you know the charge on the ion, how do you determine who many electrons it has?

1. How do you determine the number of protons an atom or ion has?

1. Compare and Contrast ionic and covalent bonding. Use a Venn diagram if you would like.