4.1
What is the center of an Atom called?
Nucleus
What does the Periodic table organize
elements
What group makes up most of the periodic table?
transition metals
What group are halogens found in?
group 17
What is the most powerful form of radiation
gamma
What is the particle that has no charge called?
Neutron
A period on the periodic table goes what way?
What does malleable mean?
can be hammered and bent without breaking
what group is highly reactive and often shiny
Energy that moves through space as waves or particle is called what?
radiation
Ni is the _____ for the element Nickel
Element symbol
a group on the periodic table goes what way?
up and down
What conducts heat and electricity easily?
metal
What group has the property of both metals and non metals
metalloid
what is a tracer used for?
follows a substance through living things
The total number of Protons and Neutrons is equal to the what?
Atomic mass
Double Jeopardy
What is included in each box of the periodic table
element name
atomic mass
atomic number
symbol
what property describes how quickly a metal reacts.
reactivity
what is an example of a noble gas? (think balloons)
helium, neon, argon, krypton
Which type of radiation can be stopped by paper?
Alpha
Isotope
Elements in the same group the same number of _______ in common
What does a particle accelerator do?
speeds up atomic particles to form new elements
What does Diatomic mean?
two atoms bonded together
What type of radiation is fast - moving and negatively charged?
beta