Forming Molecular compound
The prefix number for 9
What is Nona?
This occurs when a substance is transformed into one or more different substances.
What is a chemical change?
Has a small, positively charged nucleus surrounded by a large region in which there are enough electrons to make the atom neutral.
What is an Atom?
The chemical name for Gold
What is AU/Aurum?
The formula for this following covalent compound "Pentanitrogen trioxide"
What is N5 O3
This occurs when a substance changes in its properties, but the change is generally reversible.
What is a physical change?
How many particles are atoms supposed to contain and what is their names
3 Protons,Neutons,and Electrons
NF3
Nitrogen Trifluoride
A chemical compound formed when atoms of 2 or more different elements share electrons.
What is Molecular compound?
What catogries would these fall under: "A car burning gas,A car rusting,Eating food,Baking a cake".
What are Chemical changes?
An Ion is
Is it an atom that has either gained/or lost electrons.
How can you tell whether an element is a metal, a non-metal, or a metalloid just by looking at the periodic table
By looking at its position on the periodic table.
A pair of electrons that share 2 nonmetal atoms to acquire the electron configuration of a noble gas.
What is covalent bond
What category will these fall under: "Salt dissolving in water, Chopping wood, cutting a piece of paper, crushing a can"?
What are physical changes?
For Electron Orbitals how many electrons are tycially in the 4th Oribital
What it 18 electrons?
Hydrogen, Lithium, Sodium, and Potassium all have this in common
They all have one electron in their outer shell, and all are a part of group 1.
Name the molecuar compounds of the "Fab 5"
NH₃ 🡪 ammonia
H₂O 🡪 water
H₂O₂ 🡪 hydrogen peroxide
O₃ 🡪 ozone
CH₄ 🡪 methane
Some examples of Physical and Chemical changes in our everyday life
What is cooking an egg, digesting food, boiling water, and dissolving sugar in water?
Why is NaCl called sodium chloride instead of sodium chlorine
Because in ionic compounds, the cation keeps its name and the anion changes its ending to -ide
Why is helium placed with the noble gases, even though it only has two electrons instead of eight
Helium's outer shell is full with just two electrons, making it very stable and unreactive, just like the other noble gases