5 Written Questions
5 Matching Questions
- When Identical atoms join together, the substance that results is called an....?
- 2nd Assumption:
- What is the Periodic Table of Elements?
- What are Molecules?
- How can you tell is a compound is ionic or covalent by looking at the chemical formula?
- a All atoms of the same element have exactly the same properties.
- b A collection of the most important info. concerning each element into a table; there are currently 112 elements.
- c 1. If a compound contains at least one metal atom and at least on nonmatla atom, the compound is ionic.
2. If a compound is made up of solely nonmetal atoms, the compound is covalent.
- d ELEMENT
- e groups of atoms that form compounds.
5 Multiple Choice Questions
- Same as naming the ionic, but also prefixes are put in before each name to indicate how many of each type of atom the are inthe molecule.
- Water without ionic compounds dissolved in it.
- A class of elements that have some metal and some nonmetal. They are an exception as well.
- They are METALS.
- Any substance that CANNOT be decomposed into less massive substances.
5 True/False Questions
Is Hydrogen a metal? → NO!! hydrogen is the exception. It is always considered a nonmetal, even though it is on the left.
Matter comes in little packages known as....? → ATOMS
What are compounds? → groups of atoms that form compounds.
What are the elements called that are on the right of the bold jagged line? → They are NONMETALS.
Elements that are nonmetals are...? → 1. malleable(easily bend)
2. have luster(shiny)
3. are able to conduct electricity.