Measurement
What unit is mass measured in?
Grams
If metal rusts, is that a chemical or a physical change?
Chemical
What is the basic unit of all matter?
Atoms
The letters that represent an element are called its ____________.
Symbol
What is the name of the element whose symbol is Cu?
Copper
What unit is volume measured in?
Liters
Liquid water changes to gas during which process?
Evaporation/Boiling/Vaporization
What part of the atom has a positive charge?
Protons
The elements fluorine, chlorine, bromine, and iodine are all found in group 17. Why are they grouped together?
They react in similar ways
What is a substance that cannot be broken down into a simpler substance?
Element
What tool can you use to find the volume of an irregulary shaped object?
Graduated cylinder
Water vapor changes to liquid during which process?
Condensation
What part of the atom has a neutral charge?
Neutron
1. What is the horizontal row called?
2. What is the vertical column called?
1. Period
2. Group
Why is water H2O, not found in the Periodic Table?
Water is a compound
1. What is the amount of matter or "stuff" in an object?
2. What is the amount of space an object takes up?
1. Mass
2. Volume
Is a lake freezing an example of a physical or chemical change?
Physical change
What part of the atom has a negative charge?
What are the elements in group 18 called?
Noble gases
Name one element that reacts similarly to oxygen.
Sulfur, selenium, tellurium
What is the property that deals with mass per unit of volume?
Density
1. Which phase of matter has a definite volume but no definite shape?
2. Which phase of matter has a definite shape and volume?
3. Which phase of matter does not have a definite shape or volume?
1. Liquid
2. Solid
3. Gas
1. What is the middle of an atom called?
2. What can be found in the middle of the atom?
1. Nucleus
2. Protons and Neutrons
Look at the portion of the periodic table. How many protons, neutrons, and electrons can be found in Argon?
P = 18
E = 18
N = 22
What is the atomic mass of an element equal to?
The number of protons and neutrons