Atoms
How many protons does Oxygen have?
8
What do you call the vertical columns on the periodic table?
Groups
8
What does the law of conservation say in a chemical reaction?
Matter cannot be created or destroyed
When an atom loses electrons, what happens to the charge?
Becomes more positive
What is the mass number of something with
8 protons
10 neutrons
8 electrons
18
What do we call group 3-12
Transition metals
How many atoms are in nitrogen
2N₈O₅
16
Write the following equation and label 2 sides
2H₂ + O₂ --> 2H₂O
Reactants = left
Products = right
In an ionic bond, what happens to the electrons?
given away or transferred completely
How many valence electrons does Potassium have?
1
What groups bonds easily with alkali metals because they only need 1 electron?
Halogens
Draw the lewis structure for P
5 dots
What is the number you can change in a chemical equation?
What type of bond shares electrons?
Covalent
What is the charge of an element with these numbers
10 protons
8 neutrons
12 electrons
-2
What are the SECOND most reactive group on the periodic table. (Give name of group)
Group 2 - alkaline earth metals
What is a metalloid?
Transition of metals and nonmetals
Balance the following equation
_N₂ + _H₂ --> _NH₃
N₂ + 3H₂ --> 2NH₃
What type of bond will sodium and chlorine form?
Ionic
Write the isotopic symbol of Boron
5 protons
10 neutrons
5
What group on the periodic table does not naturally combine with other elements?
Valence electrons are found in what energy level?
Outer
Draw the particle diagram for
N₂ + 3H₂ --> 2NH₃
See board
What does Li do to have a complete outer orbital?
Give away 1 electron