The smallest unit of matter
What is an atom?
A massless particle of light energy
What is a photon?
A positively charged ion
One type of reaction
What is:
Composition, single replacement, double replacement, decomposition, combustion
Another word for a homogeneous mixture
What is a solution?
Elements and compounds are
What are pure substances?
One trend within group IA elements
What is:
Reactive with water, soft, shiny
An ion that is larger than its neutral atom
What is an anion?
Describe what happens in a double replacement reaction
What is 2 reactant compounds switch partner atoms?
What is a saturated solution?
Whole milk is under the classification
What is heterogeneous mixture?
If something is brittle, dull, and not conductive, it is most likely
What is a nonmetal?
A bonding electron is called
What is a valence electron?
Balance this equation: _CH4 + _Cl2 → _CCl4 + _HCl
What is: CH4 + 4 Cl2 → CCl4 + 4 HCl
A pH from 7-14 correlates to
What is a base?
A physical and chemical property of iron is
PP: brown, CP: rust
The energy released when adding 1 electron to an atom
What is electron affinity?
The bond in CaO
What is an ionic bond?
Name the type of reaction of this equation and balance it: _C8H18 + _O2 → _CO2 + _H2O
What is:
a. 2 C8H18 + 25 O2 → 16 CO2 + 18 H2O
b. Combustion
What type of acid is a proton donor?
What is a Bronsted-Lowry acid?
Name of atoms with different number of neutrons, protons, and electrons
What is:
a. Neutrons = isotopes
b. Protons = a different element
c. Electrons = ions
Describe the trend in ionization energy and why it occurs
What is:
It increases as you move up and to the right & charge and distance
The most electronegative element
What is fluorine?
Draw the Lewis Structure for CH4 and show it to the camera
What is:
The products of an acid-base neutralization reaction
What is a salt and water?