Pleasant Valley Hs Moritz Chemistry Elements 136 (ec)

Conditions for Catalytic Cracking – Heat (600 – 700 degrees)
Catalyst (e.g. Aluminium)
A
X
Z – A= Mass number (# of protons and neutrons).
Z= Atomic number (# of protons).
X= Symbol of element.
pure chemistry – the pursuit of chemical knowledge for its own sake
light and heat that does things to
matter – energy
Why can graphite conduct electricity? – It has spare electrons, which can move freely between the layers.
Density – The amount of mass contained in a sample divided by the volume of the Sample D=m/v
Avagadro's gas law – V1/n1=V2/n2
Electron – part of an atom's center that has a negative electrical charge
Which of the following is equal to 1 mL?
atomic number – Number of protons
Planetary Model – An early model of the atom in which electrons were thought to exist in quantized energy levels and orbit the nucleus in a fixed, circular pathway.
nucleus – the dense positve core of an atom.
Activation Energy – Minimum energy that the particles in the collision must have to react
Mass – A measure of the amount of matter the object contains.
Which оf the fоllоwing is equаl to 1 mL?
Regulations – A rule that can be enforced by an authority, for example Government. E.g. the law that says all vehicles three years old and older must have an annual emissions test is a regulation that helps reduce atmospheric pollution.
malleability – the ability of a substance to be hammered or beaten into thin sheets
With four oxoanions, the one with the smallest number of oxygens ends in _____ and is prefixed by _____; the next ends in _____; the third ends in ______, and the one with the most oxygens is prefixed by _____ and ends in _____ – "-ite", "-hypo"; "-ite"; "-ate"; "per", "-ate"
What is the dependent variable? – The dependent variable is the variable that is measured

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