The Atom
The Periodic Table
Changes
Compounds
100
The subatomic particle that has a positive charge is called this
What is a proton?
100
The periodic table is divided into horizontal rows called these
What are periods?
100
A change where no new matter is formed is called this.
What is a physical change?
100
These compounds are made up of non-metal atoms only
What are molecular (covalent) compounds?
200
In an energy level diagram of an atom, the third elenergy level can hold this number of electrons
What is 8?
200
The periodic table contains vetical columns called these where elements have similar properties
What are groups or families?
200
A change where new substances are made is called this
What is a chemical change?
200
These compounds consist of a metal and a non-metal
What are ionic compounds?
300
This scientist developed the "raisin bun" model of atomic structure
Who was Thomson?
300
Elements to the left of the "staircase" are all grouped as these
What are metals?
300
Dissolving salt into water would be considered this type of change
What is a physical change?
300
Covalent compounds bond because the atoms do this to their valence electrons
What is share?
400
This scientist conducted the "gold foil" experiment and discovered the nucleus of atoms
Who was Rutherford?
400
This family on the periodic table is group number 18 and very chemically stable
What are noble gases?
400
In a chemical change, this is the term for the substances you start with
What are reactants?
400
Ionic compounds are held together because the atoms do this to their valence electrons
What is transfer?
500
This type of subatomic particle is the lightest
What is an electron?
500
Group 2 on the periodic table is also known as this
What is the alkaline earth metals?
500
This is the term for a solid substance formed when certain solutions are reacted together
What is a precipitate?
500
The correct name of LiCl is this
What is lithium chloride?
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