A positively charged particle found in the nucleus with a mass of about 1 amu.
What is a proton?
100
NaCl is a compound because...
What is it is made up of more than one type of atom bonded together?
100
The Law of Conservation of Mass states...
What is that matter is neither created nor destroyed in a chemical reaction?
100
Valence electrons are...
What is the number of electrons in the outer shell?
100
A period is a _______.
What is row?
200
A negatively charged particle found outside of the nucleus that has a mass of about 1/1,836 of an amu.
What is an electron?
200
Compounds have different properties than...
What is the elements that make them up?
200
You know that a chemical reaction occurred...
What is when a new substance with different properties was formed and heat was produced or absorbed? (bubbling, color change, and pH change also often accompany the chemical change)
200
The elements in a group have ___________ chemical properties because ___________________________.
What is similar .... they have the same number of valence electrons?
200
Ionic bonds occur between ______ and ___-_______ atoms.
What is metal and non-metal?
300
A particle with no charge found in the nucleus and with a mass of about 1 amu.
What is a neutron?
300
The states or phases of matter depend on...
What is temperature or amount of heat added or taken away from them?
300
Chemical reactions usually absorb or give off...
What is heat?
300
Atoms achieve a full ________ _________ through chemical bonding.
What is outer shell?
300
Covalent bonds occur between ____-_______ atoms.
What is non-metal?
400
The number of protons an atom has is equal to...
What is the atomic number?
400
Polymers are made up of...
What is monomers bonded together into a chain?
400
Phase changes are not chemical reactions because...
What is no new substance is produced (and they are easily reversible)?
400
Metals are found on the _________ side of the periodic table.
What is left?
400
_______ _____ have full outer shells.
What is noble gases?
500
The atomic mass of an atom is equal to the sum of ...
What is the number of protons and neutrons in the atom?
500
Draw a diagram showing the states of matter and the names of the phase changes.
What is (teacher will check the diagrams)?
500
Draw a pH scale with acidic, neutral and basic areas labelled.
What is (teacher will check the scales)?
500
Non-metals are found on the ________ side of the periodic table.