GROUP 1 GROUP 2GROUP 3GROUP 4GROUP 5
The name given the elements in Group 1 on the periodic table.
Alkali Metals
The name given the type of bond formed when two atoms share electrons.
Covalent Bond
Increasing the temperature of a fluid will (increase/decrease) the fluids viscosity.
Decrease
The greater the density of a fluid, the (greater/lesser) the fluid’s buoyant force.
Greater
The elements in Group 15 have ____ valence electrons.
Five
A fluid with a (high/low) viscosity will pour slowly.
High
To calculate the density of a substance, you must know the ____ and ______ of the substance.
Mass and volume
Elements in group (3 or 16) will most readily accept electrons.
16
The solubility of (gases/liquids/solids) is most affected by pressure.
Gases
Elements in the same (group/period) display similar physical and chemical properties.
Group
In a solution, the ____ is the material in which another substance is dissolved.
Solvent
A/An _____ is a substance that produces hydrogen ions (H + or H 3 O + ) in solution.
Acid
A ________ is formed when substances are combined without uniting chemically.
Mixture
The density of water equals _______ g/ml.
1.0
A substance that forms ions in water and conducts electricity is called a/an ________.
Electrolyte
In a solution, the _______ is the substance that dissolves.
Solute
A ______ is a substance that releases hydroxide ions (OH - ) in a solution.
Base
The elements in Group ___ will most likely react with the element Ca.
16
If an object has a lesser density than the fluid it is dropped into, the object will (float/sink).
Float
___ NaCl + ___ F 2 ___NaF + __Cl 2 Balance the above equation.
2,1,2,1
A/An ____ bond is formed between atoms when they lose or gain electrons and form positively or negatively charged particles.
Ionic
A molecule that has a positive region at one end and a negative region at the other end is called a ____ molecule.
Polar
On the pH scale, an acid has a pH of _____ to ____ and a base has a pH of _____ to _____.
1-6, 8-14