Vocabulary
Conclusions based on observations, previous knowledge, and available information.
What is inference?
Most of the mass of an atom is found in __________.
What is a nucleus?
It means 0.01.
What is centi?
1 inch would equal this in centimeters.
What is 2.54 cm?
Liquid volume is measured in meters.
What is false?
Liters
Any factor that changes in an experiment.
What is a variable?
In km, the "m" stands for ___________.
What is meter?
It means 0.001.
What is milli?
1.3 meters would be this in centimeters.
What is 130 cm?
Solvent is the substance that does the dissolving.
What is true?
The number of protons in an atom.
What is atomic number?
All matter takes up _________ and has ________.
What is space and mass?
It means 1,000.
What is kilo?
The atomic number of argon is 18. there would be ______ electrons in argon-38
What is 18?
An element is made up of two kinds of atoms.
What is false?
An element is made up of only one atom.
What is Law of Conservation of Mass?
All atoms of an element have the same ____________ or number of protons.
What is atomic number?
Km stands for ___________.
What is kilometer?
These are the three common phases of matter.
What is solid, liquid, and gas?
The electron has a positive charge.
What is false?
The electron has a negative charge.
Substances that undergo a chemical change.
What is reactants?
A compound with______ zinc atom and _____ chlorine atoms would have the chemical formula ZnCl2.
What is 1 zinc atom and 2 chlorine atoms?
Kg stands for _________.
What is kilogram?
The first person to argue that all matter was made from indivisible particles called atoms.
Who is Democritus?
The nuclei of isotopes contain different numbers of neutrons.
What is true?