Atomic # refers to the # of ___________ and __________ in an atom
What is protons and neutrons
100
Meaning "pattern"
What is periodic
100
What is the name of the group in group 17
What is halogens
100
Francisco's favorite pet is
What is cats
200
The word atom means "unable to be ___________"
What is divided
200
The SI unit that is used for counting small particles such as atoms
What is mole
200
Bohr's model of the atom says that atoms behave like
What is planets orbiting the sun
200
If the atomic mass of helium is 4.0 amu. 1 mole of pure helium will have a mass of ______
What is 4.0 g
200
The modern atomic theory can be described as
What is fan blades. Electrons move so fast around the nucleus they form a cloud
300
_________________ refers to the process of losing or gaining electrons
What is ionization
300
An ion with a positive charge
What is cation
300
The order of elements on the periodic table are organized by
What is increasing atomic number
300
Alkali metals are located where on the periodic table
What is group 1, left side of the periodic table
300
Dalton's atomic theory stated that every element was made of atoms that could not be subdivided, atoms of the same element are alike, and _______________
What is atoms can join to form molecules
400
The ________________ is located in the center of the periodic table.
What is transition metals
400
These have a different number of neutrons but the same atomic number
What is isotopes
400
Who first suggested matter was made up of atoms
What is Democritus
400
The nucleus is made up of ________ and _________ and has a ____________charge
What is protons, neutrons, positive
400
Mrs. Tattersall is the CEO of what company
What is Tattersall Trucking
500
Group 18 is made of the ________________ and they are inert(inactive) because they have _________________
What is a full valence shell
500
Number of protons = ___________
Number of protons and neutrons= _______________
What is atomic number, atomic mass
500
__________________ is defined as the number of particles in a pure substance is one mole
What is Avogadro's constant
500
These exist as single atoms rather than molecules and are located in group 18
What is noble gases
500
Halogens are highly reactive because
What is they only need one more electron to complete their outer shell.