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 of matter state in terms of matter?
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
What is the left side of the equation called? What is the right side called?
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?
Coefficient
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?
elements along the stair-step between the metals and nonmetals that possess characteristics of both 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
15 B
5
What group on the periodic table does not naturally combine with other elements?
Which energy level in an atom is the location of the valence electrons?
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