Quarter 1
abbreviated with a small “g” and is used to measure the mass of an object.
What is a gram?
Solids, Liquids, and Gasses
What are the states of matter that we use in class?
The smallest element.
What is hydrogen?
The number of protons in an element.
What is the atomic number?
A verical column of elements.
What is a group?
The process of solving problems and answering questions.
What is science?
They have a definite shape and volume.
What are solids?
The number of valence electrons in Chlorine (Cl)
What is 6?
The number of valence electrons in an element.
What are group numbers?
a pure chemical substance composed of one type of atom
What is an element?
the amount of space an object takes up.
What is Volume?
These have no shape or volume?
What are gases?
The number of protons and neutrons.
What is the atomic mass?
The number of total electrons.
What is the atomic number?
118
How many elements are on the P.T.E.?
the amount of matter in an object.
What is mass?
Anything with mass and volume?
What is matter?
Horizontal rows of elements.
What are periods?
The place where protons and neutrons are found.
What is the nucleus?
Going from a solid straight to a gas.
What is sublimation?
g/cm3 or g/mL
What are the units for density?
liquid is heated and it turns into a gas
What is evaporation?
increasing atomic number and similar properties.
How is the P.T.E. organized?
the properties of an object that cannot be measured without chemically changing the object into something different.
What are chemical properties?
32*F or 0*C
What is the melting and freezing point of water?