What is a covalent bond?
When molecules share electrons
Describe the composition of a water molecule
two parts hydrogen and one part oxygen, covalent bond
what state of matter is water
liquid
the polarity of water
nonpolar
1s2 orbital contains how many electrons
2
what is an ionic bond
electrons transfer
whats the smallest unit of matter
atom
what state of matter is a rock
solid
the polarity of oxygen
nonpolar
Hg is the atomic symbol for what element
mercury
what is a chemical bond
a link between atoms that results from the mutual attraction
how is carbon dioxide produced
emissions, respiration, and etc
what state of matter is neon
noble gas
the polarity sulfur dioxide
polar
How many elements are on the periodic table ?
118 elements
what is bond energy?
the energy required to break a chemical bond and for neutral atoms
what is a molecule
a group of atoms bonded together
List the 4 states of matter
Solid, liquid, gas, and plasma
a covalent bond in which the bonding electrons are shared equally by bonding atoms resulting balanced distribution of electrical charge
nonpolar-covalent bond
How many groups are on the periodic table ?
18 Groups
what is a triple covalent bond
a covalent bond produced by the sharing of 3 pairs of electrons between 2 atoms
what are the elements in a sugar molecule
carbon, hydrogen, and oxygen
a combination of 2 or more kinds of matter each of which retains its own composition and properties
a mixture
What does polar mean?
A bond that has an uneven distribution of charge
List the six groups of elements off the periodic table ?
Alkali metals
Alkaline earth metals
Transition metals
Metals
Nonmetals
Noble gases