Atomic Structure and the Periodic Table
What subatomic particle is positive and lives in the nucleus
Proton
The simplest type of pure substances that can't be broken down further
Element
what is conduction?
Heat is transferred by touch.
Is An ice cube melting a physical or chemical change?
Physical change
How many electrons will fit in the second shell?
8
Any characteristic that gives a substance the ability to undergo a change that results in a new substance.
chemical property
What is convection?
Transfer of heat through currents. Heat rising and cool sinking.
What is the energy transformation of a burning candle?
Chemical to thermal and electromagnetic
The number of protons in the nucleus of an atom of an element
The atomic number
A mixture that is the same throughout. Example: salt water
Homogenous mixture.
What are the types of potential energy?
Mechanical, elastic, gravitational, nuclear, chemical
What are the types of kinetic energy?
Mechanical, electromagnetic, thermal, electrical, and sound.
What is the atomic mass of Krypton (Kr)?
84
Are the four states of matter a physical or chemical property?
physical property.
What is the energy transformation in a flashlight?
Chemical->Electrical->Heat and Light
Number of atoms in NaC2H3O2
8 ATOMS
The number of neutrons in Zinc (Zn)
35
Is an apple turning brown a physical or chemical change?
Chemical change
What is the energy transformation in a campfire?
Chemical->Heat and Light
What is how does energy flow when you have ice water and hot chocolate?
From the hot chocolate to the ice water.