Defintitons
This is the smallest particle of an element that retains properties of that element
What is an atom
Group 18 that does not combine with any other elements
What are the nobel gases?
Atomic number 8
What is oxygen?
An atom has no mass
What is false
Rows of the periodic table are called
What is periods?
This is where the protons and neutrons are contained in an atom
What is the nucleus?
The name of group 1 elements that react violently with water
What are the alkali metals?
Element with 6 protons
What is Carbon?
All atoms have the same mass
What is false?
This is the place electrons are found in the atom
What is the electron cloud?
The vertical columns of the periodic table are called
What are groups or families?
Elements in group 17 that include fluorine and chlorine
What are halogens?
Element with 15 electrons
What is phosphorus?
All oxygen atoms have the same mass
What is true?
Period 3 noble gas
What is Argon?
These are atom of the same element with different numbers of neutrons.
What are isotopes?
Elements in groups 3-12
What are transition metals?
Element that has the atomic number 54
What is Xenon?
The atomic number of an atom is the number of protons it has
What is true
Transition metal with 25 electrons
What is manganese?
All atoms are ___________ because the number of protons is equal to the number of electrons
What is neutral?
What are alkaline earth metals?
Element that is liquid at room temperature
What is Mercury?
Atoms of the same kind that have different numbers of electrons are called isotopes
What is false? (different number of neutrons)
Element in group 4 period 4
What is Titanium?