Chapter One (Atomic Theory and Lab Safety)
Investigating matter and characteristics
Chapter Three (Compounds)
Unorganized Questions
Chapter Two
100
What does "W.H.M.I.S" stand for?
Workplace Hazardous Materials Information System
100
What is matter?
Matter is anything that has mass and volume.
100
What is a covalent compound?
When atoms combine by sharing electrons to form molecules.
100
What is conductivity?
The ability to conduct electricity or heat.
100
What is the periodic table?
A table of the chemical elements arranged in order of atomic number.
200
What is an atom?
An atom is the smallest particle of an element that remains the properties of the element.
200
What is a chemical property?
Chemical Properties are characteristics that can be observed when chemicals react with each other.
200
What is an ionic compound?
Where atoms gain or lose electrons to form ions.
200
What is solubility?
The solubility of a substance is the amount of that substance that will dissolve in a given amount of solvent.
200
How many chemical symbols are in the periodic table?
There are over 115 different elements.
300
Name the elements of an atom:
Electrons, Protons and Neutrons
300
What is the difference between the chemical change & psychical change?
A chemical change is a change in matter that occurs when substances recombine to form new substances and a psychical change may involve a change of appearance but no new substances are formed.
300
Is a compound formed from a metal, non metal or both?
A compound is formed from a metal and non metal.
300
Is acid reactive or nonreactive with copper?
Acids are Non reactive with copper.
300
What is the meaning of Oxygen and the element symbol?
Oxygen (O) A colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
400
What is the difference between the hazards explosive and flammable?
Explosive; if its punctured or heated it can explode. Flammable; if it is heated it can easily catch on fire.
400
When you light a magnesium sparkler, does it undergo a chemical change or a psychical change?
It undergoes a chemical change that you can see. (glows a white colour)
400
What is Calcium Bromide written as a compound?
CaBr2
400
Is carbon a non metal? (true/false)
True
400
The horizontal rows on the periodic table are called _____.
The horizontal rows on the periodic table are called "Periods."
500
Name the 4 points of Dalton's Atomic Theory
1. All matter is made of small particles called atoms 2. Atoms cannot be created, destroyed, or divided into smaller particles 3. All atoms of the same element are indentical in mass and size, but they are different in mass and size from the atoms of other elements 4. compounds are created when atoms of different elements link together in definite proportions.
500
What state of matter has no shape or volume? A) solid, B) liquid, C) gas, D) plasma.
Gas has no shape or volume
500
What is "MgBr2" written as a metal ion?
Magnesium Bromide.
500
Which rows of the periodic table are alkali metals and alkaline earth metals in?
Rows 1 and 2. (first two rows)
500
What is Mercury's unique property?
It is a liquid at room temperature.
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