A(n) _________________ is a small particle that makes up most types of matter on earth.
Atom
100
What is the name for an uncharged particle in the center of the nucleus?
Neutron
100
How many electrons does oxygen have?
8
100
How many electrons does Boron have?
5
100
Air is an example of a ________________ mixture.
Homogeneous.
200
The sum of an atom's protons and neutrons is called the _________________________.
Mass Number
200
What is the positively charged paricle withinthe atom called?
Protons
200
Is sodium a metal, nonmetal, or metalloid?
Metal.
200
How many protons does Xenon have?
54
200
Give an example of a suspension.
Italian salad dressing.
300
Elements that are usually dull in appearance and poor conductors of heat and electricity are known as _____________________.
Nonmetals.
300
____________________ are atoms of the same element that have differnt numbers of neutrons.
Isotopes
300
Lithium belongs to the _________________ family.
Alkaline.
300
How many neutrons can be found in an atom of Sulfur?
16.
300
Through an experiment, ________________ is credited with recognizing that the atom is made up of mostly ____________________.
Rutherford, empty space.
400
The ______________________ tells you the number of protons in the nucleus of each atom of a particular element.
Atomic Number
400
Draw the Lewis Dot structure for Calcium.
Eight valence electrons.
400
Neon is a ________________________ at room temperature and standard pressure.
Gas.
400
How many neutrons are in an atom of Iridium?
115
400
Metals are mostly ________________, which means that they can be formed / molded into different shapes and structures.
Malleable.
500
A _____________________ is formed when two or more substances come together but DON'T completely combine to form a new substance.
Mixture.
500
Draw the Bohr Model for Potassium
2, 8, 9
500
Manganese belongs to the _______________________ family. It is also a metal/nonmetal/metalloid?
Transition Metals. Metal.
500
How many energy levels / electron shells does Barium have?
6.
500
DAILY DOUBLE!!!!!
_______________________ is credited with illustrating the _______________ _______ __________________ _________ ______________ through his wood burning experiment.