This is the first thing you should do if you notice a fire starting in the lab.
What is alert the teacher and evacuate if necessary?
This type of mixture has particles that scatter light and includes examples like milk and fog.
BONUS: The name of this effect.
What is a colloid?
BONUS: What is the Tyndall Effect?
This type of mixture looks the same throughout.
BONUS: The only type of mixture that displays this property
What is a Homogenous mixture?
BONUS: What is a Solution?
The formation of these during a reaction indicates gas is being produced.
What are bubbles?
This subatomic particle has a negative charge and is involved in chemical bonding.
What is an electron?
This is the horizontal row on the periodic table.
What is a period?
This safety rule applies to both science labs and kitchens when handling hot equipment.
What is wear heat-resistant gloves or use tongs?
This term describes compounds that contain carbon chains and are typically found in living things.
What are organic compounds?
If you can do this to a substance, it must be a mixture.
What is separate using physical means?
This visible sign of a chemical reaction occurs when iron is exposed to oxygen and moisture.
What is rust formation (or color change)?
This subatomic particle determines the identity of an element.
What is a proton?
This is the vertical column on the periodic table.
What is a group?
This material should never be handled with your hands (gloved or otherwise!)
What is broken glass?
This is a mixture where one substance dissolves completely in another, like salt in water.
What is a solution?
This type of property can be observed without changing the substance's chemical identity.
What is a physical property?
This sign of a chemical reaction involves energy being released, making the surroundings warmer.
What is heat production (or temperature change)?
The only subatomic particle that has no effect on the atomic number of an element.
What is a neutron?
This number tells you how many protons an element has and determines its identity.
What is the atomic number?
This is why you should never taste unknown chemicals in either a lab or kitchen setting.
What is they could be toxic or harmful?
This substance has large particles that will settle out over time if left undisturbed.
What is a suspension?
This type of property describes how a substance reacts with other substances.
What is a chemical property?
This sign indicates a chemical reaction when you can detect new smells that weren't there before.
What is odor production?
In a neutral atom, the number of these particles equals the number of protons.
BONUS: Protons and electrons are equal in a neutral atom for this reason.
What are electrons?
BONUS: What is positive and negative charges balance?
The total number of groups on the periodic table.
What is 18?
The direction pan handles should be always be pointed.
What is towards the center of the table or stove?
A substance that cannot be separated physically but can be separated chemically.
What is a compound?
Water boiling at 100°C is an example of this.
What is a phase shift or phase change?
What are color change, odor change and taste change?
Unlike the atomic number, this number is an average between all the available atoms of an element found on Earth.
What is atomic mass?
This element has the atomic number 28
What is Nickel?