Elements and compounds Flashcards
(25 cards)
What are Atoms?
The building blocks of all matter
What type of charge do protons have?
Positive
What type of charge do neutrons have?
No charge
What type of charge does electrons have?
Negative
What type of charge does electrons have?
Negative
How many groups does the Periodic table have?
18
How many groups does the Periodic table have?
18
How many periods does the Periodic Table have?
7
What group of elements are on the left of the metalloids?
Metals
What group of elements are on the left of the metalloids?
Metals
What group of elements are on the right of the metalliods
non-metals
What are the tree parts of an atom?
Protons, electrons and neutrons
What are the tree parts of an atom?
Protons, electrons and neutrons
How do you find the amount of neutrons in an element?
Mass - Atomic #
Meaning of Reactant
Beginning part of a chemical reaction(what you start with)
Meaning of Reactant
Beginning part of a chemical reaction(what you start with)
Meaning of Product
End result of Chem Rx.
How can you tell if something is a chemical Rx.?
Gas is formed(bubbles), color change, Temp. change, two liquids form a solid, production of light, combustion etc.
What is Chemical formula?
What elements make up a compound and how many atoms of that element are present
Meaning of subscript
Tells you how many atoms of the element you have (bottom right corner of element)
Meaning of Coefficient
In front of entire formula (distributive)
Meaning of Coefficient
In front of entire formula (distributive)
What happens if you have parenthesis?
The elements inside it are bonded!
What happens if you have parenthesis?
The elements inside it are bonded!
