atomic particles
noble gasses
types of elements
reactivity
physical properties
100
proton
what is the positive charge of an atom?
100
Helium
What is the noble gas with an atomic number of two?
100
Alkali metals
What is the first family of elements?
100
Not reactive at all, they are stable.
What is the reactivity of the noble gases?
100
Luster
What is the characteristic of an element that determines the shininess?
200
Neutron
What is a neutral charge in an atom?
200
Neon
What is the noble gas with an atomic number of 10?
200
Alkaline earth metals
What are the elements in the second family on the periodic table?
200
The valence electrons
What is the determining factor of how reactive an element is?
200
malleability
What is the characteristic that determines whether or not an element can be stretched into a thin sheet?
300
Electron
What is the negative charge of an atom?
300
Argon
What is the noble gas with an atomic number of 18?
300
Halogens
What are the elements in the 7th family on the periodic table called?
300
Extremely reactive
What is the reactivity of an element with 7 valence electrons?
300
conductivity
What determines if an element is a good conductor or not?
400
Nucleus
What is the place where the protons and the neutron are stored?
400
Krypton
What is the noble gas with an atomic number of 36?
400
Noble gases
What are the elements in the 18th column on the periodic table called?
400
Reactive, somewhat reactive, extremely reactive
What are the levels of reactivity?
400
Ductility
What is the characteristic that determines wether or not an element can be stretched into a wire?
500
Electron cloud
What is the space surrounding the nucleus, containing the electrons?
500
8
What is the number of valence electrons an element has to have to be a noble gas?
500
Transition metals
What are the elements in the 3-12 columns called?
500
valance electrons
What determines the reactivity of an electron?
500
brittleness
What is the characteristic that determines how and element can break?
M
e
n
u