Elements of Surprise Flashcards
(36 cards)
Neutron
Neutral Charge
What charge is a Protron
Positive Charge
Electron
Negative Charge
Physical Changes can be…..
…. undone
Chemical Changes…..
…… can’t be undone
Co2 is made up of what?
One Carbon and Two Oxygen
C6H12O6 is made up of what?
Six Carbon, Twelve Hydrogen, Six Oxygen
Which change makes a new substance?
Chemical change. Physical Change does not change an objects chemical identity.
Name 3 signs of a chemical reaction
Colour Change, Temperature Change, Bubbles form, fizzing, new odour, new substance produced
What is the structure of an atom?
Made up of nucleus, protrons, neutrons and electrons. The protrons and neutrons are inside the nucleus and the electrons orbit it.
What is a chemical formula?
A shorthand of writing the name of a compound
What is a compound?
A compound is formed when two or more different types of atoms are chemically bonded (joined). A compound is a pure substance.
What’s an example of a compound?
Acetic Acid (C2H4O2) and Carbon Dioxide (CO2)
What is a mixture?
A mixture is made up of two or more substances that aren’t joined or bonded together.
What is an example of a mixture?
Honey and Tea, Cereal and Milk, Oil and Water
What are the two types of mixtures?
Homogeneous (of the same kind; alike.) and Heterogeneous (a process involving substances in different phases: solid, liquid, or gaseous).
What is physically mixed together?
Mixtures. Compounds are chemically mixed together.
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What is a reactant?
A reactant is a substance that takes part in and undergoes change during a reaction. For example Mageniusm and Carbon
What is an element?
Any substance that cannot be broken down into anything simpler, a similar substance. Made up of only one atom. type.
How many different types of atoms are there?
118
What’s the atomic number determined by?
The number of protons known as the atomic number reveals what type of atom it is and what element it is.
True or False, the number of the neutrons is the number of protons and electrons?
True the number of neutrons is the number of protons and electrons combined.
Which element has the most amount of neutrons?
Aluminium