the smallest unit of an element that maintains the properties of that element
What is an atom?
100
Anything that has mass and takes up space.
What is matter?
100
The center of an atom is called this.
What is nucleus?
100
Name the first element on the periodic table. (*hint* top left corner of the periodic table with an atomic number of 1 and abbreviation of H)
What is hydrogen?
100
Element abbreviation for water.
What is H20?
200
a unit of mass that describes the mass of an atom or molecule (amu).
What is atomic mass unit?
200
The curve at a liquid's surface by which one measures the volume of the liquid.
What is the meniscus?
200
The name of the outermost shell of an atom.
What is the valence shell?
200
The direction that numbers increase in the periodic table.
What is left to right, top to bottom?
200
True or False: The number of atoms in a chemical reaction are never lost or gained, just rearranged.
What is true?
300
an atom that has the same number of protons (or the same atomic number) as other atoms of the same element do but that has a different number of neutrons (and thus a different atomic mass).
What is an isotope?
300
The tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an outside force acts on the object.
What is inertia?
300
Name the subatomic particles that are located in the nucleus.
What is proton and neutron?
300
The number of periods in the periodic table.
What is seven?
300
Name the materials you start with in an equation and the materials you end with in a balanced equation.
What is reactant and product?
400
Define proton
What is a subatomic particle that has a positive charge and that is found in the nucleus of an atom?
400
This value can change dependent upon where you are in the universe (*hint* weight or mass?)
What is weight?
400
Name the charge of an electron, proton, and neutron.
What is negative, positive, and neutral/no charge?
400
The number of groups in the periodic table.
What is eighteen?
400
Write the chemical symbol for Sodium.
What is Na?
500
Define mass number.
What is the sum of the numbers of protons and neutrons in the nucleus of an atom?
500
Define the law of conservation of mass.
What is "mass in an isolated system is neither created or destroyed?"
500
The number of electrons that can be held in the 2nd shell of an electron cloud.
What is eight?
500
Name five elements on the periodic table.
What is (name of any 5 elements)?
500
Write the chemical abbreviation for: Carbon Dioxide.