Atoms & Elements
Periodic Table
Earth's Elements
Chemical Compounds
Characteristics of Matter
100
What all matter is made up of
What are elements?
100
Originally thought to be the four elements that make up matter
What are earth, air, fire, and water?
100
Describes most of the elements
What is rare?
100
The temperature at which liquid changes into a gas
What is the boiling point?
100
The amount of space an object takes up is called
What is volume?
200
The center of an atom
What is the nucleus?
200
The modern periodic table arranges the elements by this
What are their properties?
200
98% of Earth's crust is made up of only 8 elements, name three
What are oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium? (name 3 to get the points)
200
Can be measured or detected by the senses
What are physical properties?
200
The change of state from liquid to gas
What is vaporization? (evaporation will also be accepted)
300
The nucleus contains two kinds of particles
What are protons and neutrons?
300
Elements in the periodic table are arranged by this
What is their atomic number?
300
This element is the building block of matter in living things
What is carbon?
300
The measure of how much of one substance can be dissolved in another
What is solubility?
300
A mixture made of two or more evenly distributed substances
What is a solution?
400
Move in space around the nucleus
What are electrons?
400
The atomic number of an element is determined by this
What is the number of protons in the nucleus?
400
Earth's atmosphere is made of these two elements
What are oxygen and nitrogen?
400
Compound that typically accepts hydrogen ions
What is an base?
400
The process in which a solid changes directly to a gas
What is sublimation?
500
When elements combine with other elements
What are compounds?
500
According to the Periodic Table Potassium is in this group
What is metal?
500
At least three of the elements found in living things
What are hydrogen, nitrogen, carbon, oxygen, calcium (name at least 3)
500
Forms when a strong acid reacts with a strong base
What is salt?
500
A substance that enters into and is altered through a chemical change
What is a reactant?