Atoms and Molecules
This particle is located in the nucleus and has a positive charge
proton
Name one physical property.
Answers vary
What is the symbol for sodium?
Na
Word for when more than one atom bonds together. Can be the same or different elements.
Molecule
Name 3 signs of a chemical reaction
gas, precipitate, color change, temperature change
This is where the neutrons and protons are located
nucleus
Is wood burning a physical or chemical change?
Chemical
Which element has 7 protons?
Nitrogen
Which vocab term states matter cannot be created or destroyed?
Law of conservation of mass/matter
What is the term for the substances that you start with in a chemical reaction?
____________ ---> Products
Reactants
An atom has 12 protons and 11 electrons. What is the charge of the atom?
+1
Physical
Which element has 96 protons?
Curium
Bonus 100 points to any team that can give the full name of who this was named after.
This type of molecule is made of multiple types of elements
compound
What is the name for the number on an element square that tells you how many protons there are?
Atomic number
Which 2 particles of an atom make up the mass?
Protons and neutrons
Salt dissolving in water is an example of what type of change, physical or chemical?
Physical
How many neutrons are in an atom of oxygen.
8 neutrons
This term refers to a substance taken from nature and chemically changed by humans.
Synthetic material
A rock has a mass of 100g and a volume of 20ml. What is it's density?
5g/ml
An atom has 25 protons, 27 neutrons, and 26 electrons. What is the charge of the atom?
-1
What is the name for the chemical property that tells you if something is acidic or basic?
pH
How many neutrons are in an atom of phosphorus?
16
This is the name for a long molecule with repeating elemenets.
Extended structure
A rock has a density of 10 g/ml and a volume of 50ml. What is the mass of the rock?
500g