Facts about atom
True or false: An atom is made up of an element
False
the periodic table is made up of ____________ and __________
groups, period
what is found on energy levels
electrons
What is bonding?
two elements merging
what are the parts of an atom
Electrons, Protons, neutrons
what is the name of group 17 and group 18
halogens and noble gasses
What is the most number of electrons the last energy level can hold
8
What is an ionic bond
When electrons are transferred to another element
The two areas of an atoms are
electron cloud and nucleus
all the elements on the periodic table are discovered already
FALSE
What are valence electrons
Electrons on the last energy level
How is an isotope created?
When the number of neutrons is different from the number of protons and electrons
What does the Greek word Atom mean
Cannot be broken down into smaller parts
What is NaCl
Salt
Can electrons just leave an energy level
No they can only be transferred or shared
Is H20 a covalent or ionic bond?
covalent bond