Atoms
The center of an Atom is called the what?
What is the nucleus
Neutron is _______ charged
What is : uncharged/ neutral
Carbon has how many Protons?
What is 6
what two particles make up an atom's nucleus?
What is : protons and neutrons
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 do the period numbers tell you about an atom?
How many electron shells an element has
How does the mass of an electron compare to the mass of protons and neutrons?
What is : It is much smaller
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 do the group numbers tell you about an atom?
How many electrons are on the outermost level
The atomic mass is _______ + ________?
number of protons + number of neutrons
smallest piece of matter that still has the properties of an element.
What is : an atom
What is: the atomic number, number of protons, and number of electrons of Mg (most abundant isotope) on the periodic table.
12, 12, 12
how many electrons can be put on the first energy level?
2
what is an isotope?
What is : An atoms of an element that has the same number of protons but different numbers of neutrons.
how many elements are on the periodic table
what is 118
How are the atoms arranged on the periodic table?
varying answers