Atoms
The center of an Atom is called the what?
What is the nucleus
Neutron is _______ charged
What is : uncharged/ neutral
How are the atoms arranged on the periodic table?
What is in order of increasing atomic number
what two particles make up an atom's nucleus?
What is : protons and neutrons
You loose 100 points,
Haha, that's what you get for taking the easy way out
electrons, protons and neutrons have what charge, and where are they found
What is : negatively, positive and neutral electrons are found in orbital, protons and neutrons found in nucleus.
what are the rows called on the periodic table of elements
Periods
what is the atomic mass of gold
196
how many electrons can be put on the first energy level?
2
What is matter
anything that has weight and occupy space
The sum of protons and neutrons is called
What is : Mass Number or Atomic Mass
what are the columns called on the periodic table
Groups/familys
The atomic mass is _______ + ________?
number of protons + number of neutrons
you get 100 points.
Hint: do not choose the first question in this section. Or else! Dan Dan Dan!!!
smallest piece of matter that still has the properties of an element.
What is : an atom
which groups are the most reactive on the periodic table. extra 100 if you tell me both of them
The alkali metals (Group 1) and the halogens (Group 17)
who created the periodic table
dmitri mendeleev
What is the Atomic Number of Helium?
What is 2
What number determines the identity of an element?
the number of protons or atomic number
how many elements are on the periodic table
what is 118
How many electrons are on the 2nd valence shell?
What is 8
Carbon has how many Protons?
What is 6