What is the chemical symbol for Hydrogen?
What are the three common states of matter?
solid, liquid, or gas
Is H2O on the periodic table?
No, it is a compound.
What is the smallest unit of matter?
Atom
What is the law of conservation of mass?
Mass is neither created nor destroyed in a chemical reaction.
What element has the atomic number 5??
Boron
What is the name of the phase change from solid to liquid?
melting
Give an example of a Noble Gas
answers will vary
What is the charge of a proton?
+1
What type of reaction results in fire or an explosion? (Hint: spontaneous _____________)
Combustion.
What is the atomic mass for Carbon
12.001
Name one of the two uncommon states of matter.
Plasma or Bose Einstein Condensate
What is the octet rule?
Every element wants 8 valence electrons?
Atomic mass - atomic number = _______________
(hint: it is a subatomic particle)
Number of neutrons
What is a catalyst?
A substance that speeds up the reaction.
How many protons are in Phosphorus
An action word
What phase change goes from solid to gas, skipping the liquid stage? Example: Dry ice
sublimation
Name the two of the three types of bonds
What are the three subatomic particles?
Proton, Neutron, Electron
Are products on the left or right side of a chemical reaction?
Right
How many neutrons are in Nitrogen?
7
Which state of matter has the highest kinetic energy?
Gas or plasma
How many valence electrons does oxygen have?
6
Which subatomic particle is the smallest?
An electron
What does it mean for a reaction to be endothermic?
It absorbs energy from its surroundings.