C1 - Atomic Structure 2 Flashcards
All Substances are made of Tiny Particles called _______.
Atoms.
There are _____ Different Types of Atom found on Earth.
100.
A Small Number of Substances are made up of only One Type of ______. These are called ___________.
Atom…Elements…
An Atom is the ____________ Part of an Element that can Exist.
Smallest.
Elements can have Different _______________.
Properties.
Elements such as Silver and Gold are Shiny, _______ Metals. Other Elements such as Oxygen and Nitrogen are Non-Metals and _______ at Room Temperature.
Solid…Gases…
Elements are Displayed on the ____________ _______.
Periodic Table.
Symbols in the Periodic Table Represent _______.
Atoms.
In the Periodic Table, Elements are Arranged in __________, called ________. Each Group contains Elements with Similar Chemical Properties.
Columns…Groups…
The ‘Staircase’ Drawn on the Right of the ___________ Table is the Dividing Line between _________ and Non-Metals. To the Left are Metals and to the Right are Non-Metals.
Periodic…Metals…
Different Types of Atoms Bonded Together are Called ______________.
Compounds.
Chemical Bonds Hold the _______ Tightly Together in ____________.
Atoms…Compounds…
All Atoms are made up of a Tiny Central __________ with ____________ Orbiting around it.
Nucleus…Electrons…
Chemical Equations show the _______________ and the _____________.
Reactants…Products…
What is the Word Equation for Hydrogen Gas?
Hydrogen + Oxygen –> Water.
In Chemical Reactions, ________ gets Rearranged.
Atoms.
The Total Mass of Products Formed in a Reaction is Equal to the _______ Mass of the _____________. This is called the ‘Law of Conservation of ______’.
Total…Reactants…Mass…
What does this State Symbol mean: (s)?
Solids.
What does this State Symbol mean: (l)?
Liquids.
What does this State Symbol mean: (g)?
Gases.
What does this State Symbol mean: (aq)?
Aqueous Solutions (Dissolved in Water).
When Balancing Equations, you must add up the ____________ and _____________.
Reactants…Products…
