What element has an atomic number of 13?

How many different types of atoms does a compound have?
2 or more different types of atoms
How many elements or compounds does a mixture have?
2 or more different elements or compounds NOT bonded together
Which type of bond is between 2 non-metals?
Covalent Bond
How many Bromine (Br) atoms are in KBrO3 ?
Bromine (Br) Atoms = 1
No Number Always Equals 1
Which boxes are considered pure ELEMENTS?
a
Are compounds held together physically or chemically?
Bonds = Chemically!
Are mixtures held together physically or chemically?
No Bonds = Physically!
Which type of bond is between a metal and a non-metal?
Ionic Bond
How many elements are in BaSO4 ?
3 different element symbols = 3 elements
Ba + S + O
Barium + Sulfur + Oxygen
How many different types of elements are on the periodic table?
118
How many elements are on the periodic table?
118
Which boxes are MIXTURES?
b; c; d; e; f; h
Which type of bond shares electrons between the atoms?
Covalent Bond
How many elements are in Al(OH)3?
3 different element symbols = 3 elements
Al + O + H
Aluminum + Oxygen + Hydrogen

Why is this considered an element?
There is only one type of element chemically bonded together.
How many different compounds are in box h ?
1 compound
2 different element molecules
Which boxes represent a mixture of elements?
c; f;
Which type of bond loses or gains electrons from the other atoms?
Ionic Bond
How many Oxygen atoms are in Ba(NO3)2 ?
3 x 2 = 6 Oxygen atoms
What is an element?
A pure substance made of one type of atom that cannot be broken down by its chemical or physical properties
What is a compound
Two or more different elements joined together by chemical bonds
What is a mixture?
Two or more substances together in the same place, but not chemically combined (bonded)
Which type of bond does each molecule have?
#1

#2

#1 = Ionic (metal and non-metal)
#2 = Covalent (non-metal and non-metal)
How many total atoms are in Ca3(PO4)2 ?
Calcium (Ca) = 3
Phosphorus (P) = 1 x 2 = 2
Oxygen (O) = 4 x 2 = 8
Total Atoms = 3 + 2 + 8 = 13