Atoms
what is a atom made of?
Protons,Neutrons,and Electrons
where are Electrons located in a atom
out side of the Nucleus or in the Electron cloud
how many columns of Elements are there
18
how is the Periodic table organized
number of Protons
how many protons are in Hydrogen
1
what is the Nucleus of an atom made of
Protons and Neutrons
what Electrons participate in bonding
Valence Electrons
how many rows of Elements are there
7
who placed most of the Elements
Mendeleev
how many protons are in Na
11
what part of an atom gas the most chemical reactions
Electrons
what charge dose a Electron have
negative
how many Elements are there
118
what are most of the Elements
Metals
how many electrons are in Hydrogen
1
what charge dose a Proton have
positive
how dose an Electron move
in a random movement
the smallest part of an Element
atom
what do protons do most importantly
give a element it's identity
how many electrons are in Na
11
what charge dose a Neutron have
neutral
how to get a neutral atom
Electrons=Protons
how to classify Elements
number of Protons and Electrons
what do protons do second most importantly
keep electrons from flying away
how many Halogens are there
6