Categorie: Tutti - toxicity - environment - reactivity - bonding

da GRAYSON SHINE mancano 2 anni

95

Chemical Bonding

Understanding chemical bonding involves analyzing the electronegativity differences between elements. A significant difference in electronegativity typically results in an ionic bond, while a smaller difference leads to covalent bonds.

Chemical Bonding

Chemical Bonding

chemical compound formulae

the positive ion/atom
the negative second

NaCl

chemical compunds

the IUPAC nomenclature system
find the longest carbon chain

attached groups

number the chain

a name/number to each group

activity series

list of elements
reactivity level

decreasing ease

oxidation

increasing ability

take an electron

predicting the type

bond
be done

looking at

the electronegativity

elements.

elements

large difference

electronegative charges

an ionic bond

smaller difference

ionic bonds

ionic compounds

crystaline structures

high melting/boiling point

water solubility

conductivity

brittleness

the electrostatic attraction
oppositely charged ions

chemical compounds

covalent bonds

covalent compounds

characteristics

low melting/boiling point

strong insulators

insolubility

atoms

an electron pair

lewis structures

a method
representing a chemical bond

find total valence electrons

electrons

outermost electron shell

the skeleton structure

single bonds

remaining valence electrons

multiple bonds

electron octets

full

brackets and charge

substances

heavy metals (cadmium, arsenic, mercury)
chemical solutions

sulfuric acid

iron(ll) sulfate

a medication

the logic

not flushing medication

not dumping chemicals

the sink

properly disposed of

lab disposal container

down the sink

heavy metals

water systems

reproductive damage

metal toxicity

infertility and death

wildlife

heavy metal poisoning

interfering with ecosystems

hazardous
toxic properties

removed from wastewater

chemical precipitation

ion exchange

harmful to health

their effect

health

age, weight, and preexisting conditions

the environment

plants and animals

display symptoms

humans

toxic levels of chemicald