Elements/Compounds
This pure substance is only made of ONE type of atom.
What is an element?
The subparticle of an atom with a negative charge?
What is an electron?
H, He, Li, Be, B, C, N, O F, Ne.
What are the first 10 elements of the Table?
Burning toast of this type of change.
What is a physical change?
Type of bond where electrons are transerred.
This substance is made of 2 or more elements bonded together.
What is a compound?
These two particles have almost the same weight.
What are protons and neutrons?
The number of families on the table of the elements.
What is 18?
This physical change is observed when the roads are salted.
What is melting?
This type of bond is between elements close together on the Table.
What is a covalent bond?
This is the Chemical make up of water.
What is H2O?
DAILY DOUBLE!!
An atom has a weight of 23, and atomic # 11, and THIS many neutrons.
What are 12 Neutrons?
Who is Dmitri Mendeleev?
This indicator of a chemical change signals the release of a gas.
What are bubbles?
This family of elements forms bonds by GIVING 2 electrons away.
What are the alkali earth metals?
This is the number of H atoms in glucose.
What is 12?
The number of this subatomic particle determines the identity of the element.
What are the protons?
This is what increases as you move down the rows of the Table.
What are valence shells?
DAILY DOUBLE!!
What are columns 12 and 13.
THis is the story about a polar covalent bond.
What is the story of a bossy big sister hogging the sandbox and giving only a small square to her little brother.
Oxygen is an example of this type of special molecule.
What is a diatomic molecule?
This orbital contains the electrons involved in chemical bonding.
What is the valence orbital shell?
Hydrogen, lithium, sodium, potassium, rubidium, cesium, francium.
What are the alkali metals in group 1?
The baking, cutting and digesting of a cake, involved which changes in order.
Chemical, physical and chemical changes.
THis is how many covalent bonds Carbon can make with other elements.
What is 4?