Types of Matter
What would you call anything that has mass and takes up space?
Matter
How many hydrogen atoms are in the compound H20?
2
What do you call the arrow which points from the reactants to the products?
Yields
What are the three different types of elements?
Metals, Nonmetals, and Metalloids (semi-metals)
What do you call it when a change happens where it alters the form or appearance of the matter, but it doesn't create a new substance?
Physical Change
What would you call matter with a definite composition and characteristic properties?
Substance
What symbols tell you what elements are a part of the molecule?
Element Symbols
What do you call the big number in front of a chemical formula that tells you how many molecules there are of the substance?
Coefficient
What is another name for semi-metals?
Metalloids
What do you call a change that transforms the matter into one or more new substances?
Chemical Change
What do you call matter that is only made up of one kind of atom?
Element
How many hydrogen atoms are there in this formula?
2C6 H12 O6
24
What do you call the tiny numbers listed in the lower-right by an element that tells you how many atoms there are of that element?
Subscript
What do you call the number that tells you the number of protons in the atom?
Atomic Number
Which two groups of the Periodic Table react which each other the best and the most violently?
Group 1 and Group 17
What do you call a mixture when you can see all of the different parts?
Heterogeneous Mixture
What do we call a system that is self contained and isolated in a way that matter can not enter or exit from it?
Closed System
What do you call the law that states "the total mass of the reactants must equal the total mass of the products?"
The Law of Conservation of Mass
Who published the first version of the Periodic Table?
Dmitri Mendeleev
What is the name of the group of metals on the Periodic Group that is most reactive?
Alkali Metals
How much a.m.u. is one neutron?
1 a.m.u.
How many copper atoms are there in the formula
Cu3(PO4)2
3
What do you call the law which states "every pure substance always contains the same elements combined in the same proportions by mass?"
Law of Definite Proportions
What do you call the element row that has the atomic numbers 57-71?
Lanthainde Series
Which two elements when combined together make table salt?
Chlorine and Sodium