Atom
Phases of Matter
Chemical Bonds and Compounds
Matter and Energy
Physical and Chemical Properties and Changes
100
This matches the number of protons and is located in the electron clouds. It has a very small mass, a negative charge, and it orbits the nucleus.
What is electron.
100
This state of matter has a fixed shape and volume - molecules vibrate.
What is solid.
100
Uses chemical symbols to represent atoms of the elements and their ratios in a chemical compound.
What is chemical formula.
100
Anything that has mass and takes up space
What is matter.
100
Can be observed or measured without changing it.
What is a physical property.
200
This is the bottom number on an element.
What is the atomic mass number.
200
The process water is circulated throughout the earth and the atmosphere.
What is water cycle.
200
A number written to the right of a chemical symbol and slightly below it.
What is subscript.
200
Always in motion.
What is atoms
200
When matter changes size, shape, or form.
What is a physical change.
300
This particle has no charge, is located in the nucleus, and has a mass about equal to a proton.
What is neutron.
300
Solar, electrical, mechanical, chemical, thermal, or nuclear - can transfer.
What is energy.
300
The force of attraction between positive and negative ions.
What is ionic bond.
300
Water, oxygen, carbon dioxide, and peroxide are examples of this.
What is molecules.
300
Photosynthesis requires this kind of change in a plant to form glucose and oxygen.
What is a chemical change.
400
This particle number is found by subtracting the top number from the bottom number on an element.
What is neutron.
400
Process by which atmospheric water vapor liquefies to form fog, clouds, or solidifies to form snow or hail.
What is condensation.
400
Carbon has this many electrons in its outer orbital.
What is four.
400
Copper and silver melt together and form a hardened metal. It is this kind of change.
What is physical.
500
Members of this family, on the periodic table, bond well with group one elements.
What is halogen.
500
This forms on the outside of a glass with melting ice.
What is condensation.
500
The atomic ratio for propane (you may use your book).
What is 3:8.
500
Takes on new properties when combined.
What is compound.
500
This type of reaction releases heat, or energy, often leaving the product cold to the touch.
What is an exothermic reaction.
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