Atoms
Has a mass of .0005 amu.
What is an electron?
The outermost electrons in an atom.
What are valence electrons?
Group One
What are the alkali metals?
How much space an object takes up.
What is volume?
The ability to cause change or do work.
What is energy?
What is a proton?
Atoms that lose electrons form these.
What are cations (positive ions)?
Group Two
What are the alkaline earth metals?
How much matter (mass) is contained in a certain volume.
What is density?
The two main categories of energy.
What are kinetic and potential?
Protons + Neutrons
What is atomic mass (mass number)?
Atoms that gain electrons form these.
What are anions (negative ions)?
Group 17
What are the halogens?
Factors that affect how much gravity acts on any two objects.
What are mass and distance?
What is the Law of Conservation of Energy?
An atom has a mass of 40 and an atomic number of 20. How many neutrons does it have?
What is 20?
Number of valence in electrons in group 2 of the periodic table.
What is 2?
Boron, silicon, germanium, arsenic, antimony, tellurium, polonium
What are the metalloids (semiconductors)?
Type of relationship shown between mass, gravity, and weight.
What is directly proportional?
Energy transformation in a burning candle.
What is chemical to heat (or light)?
Subatomic particle that is responsible for the existence of isotopes.
What is the neutron?
Type of ion formed by group 17 elements (charge and number, please).
What is -1?
Groups 3 - 12
What are the transition metals?
SI unit for weight.
What is the Newton?
In open energy systems, some energy is always lost from the system in the form of _____.
What is heat (thermal energy)?