Bonds
Predict what type of bond is most likely to be formed between the given substances:between two oxygen atoms
Covalent
The three basic catagories of elements are
What is metalloids, metals, and non-metals
What scientist discovered the periodic table
What is Dimitri Mendeleev
A particle with zero charge, found in the nucleus of an atom, is the ____.
Neutron
How many electrons can fit in the fourth energy level?
18
.......are formed when the electromagnetic attraction between a metal and a non-metal bring them together.
Ionic Bonds
Elements in the first row below the rest of the periodic table are known as
What is Lanthanides
an atom in group 16 has how many valance electrons
What is 6
A bright colored line viewed in a spectroscope is called a ____.
spectral line
Electrons are bound to the nucleus by the attractive force between electrons (-) and protons (+), name that force
Electromagnetic
Predict what type of bond is most likely to be formed between the given substances:between magnesium and chlorine
Ionic
The purpose of the zig zag line is to
What is seperate the metals from the non-metals
what are valance electrons
What is outer electron shells
4. Atoms having the same atomic number but different mass numbers are called ____.
Isotopes
What two things does the atomic number tell us?
Number of protons and place on the periodic table
Covalent Bonds form when the valence electrons of two or more
non-metals share electrons.
The maximum number of shells an element can have is
What is 8
How many groups are in the periodic table
What is 18
A nucleus that spontaneously breaks up or emits particles may be called ____.
radioactive
The mass number of an isotope tells you....
number of protons plus the number of neutrons.
Single bond, double bond or triple bond is found between two Nitrogen atoms
Triple
Where are the electrons found in an atom
What is Orbiting the nucleus
What type of element makes up the majority of the PTE?
metals
a particle with an electric charge (-) found inside of atoms but outside the nucleus
electron
When an electron moves from a higher energy level to a lower one, the atom gives up the energy, which creates ....
Energy being released as a specific color.