Properties of Elements Flashcards
define the term element
An element is a substance made u p of atoms
define the term molecule
A molecule is two or more atoms chemically bonded together.
it can be two differnt atoms
describe the structure of a lattice
A lattice is a large 3D grid of atoms
oxygen formula
O2
Hydrogen
H2
chlorine
CL2
describe what a metalloid is?
can be polished - shiny - like a metal
poor conduct of electricity - non - metal
can not malleable -non-metal
describe what a metal is?
conducts of electricity
malleable - can bend
polished - shiny
ductility - flexible
strong - doesn’t break easily
describe what a non-metal is?
dull
brittle - breaks easily
low conductivity for electricity
solid, liquid and gas at room temperature
what is mercury
mercury is a liquid metal at room temperature
what is group 1 (periodic table)
solids at room temperature
very reactive
metals
what is group 2 (periodic table)
solids at room temp
very reactive - as much as group 1
metals
what is group 7 (periodic table)
very reactive
non-metals
