Elements Flashcards
(27 cards)
What are elements?
They are a substance that cannot be split into other substances.
Where are the metals and non metals in the periodic table?
The metals are on the left side while the non-metals are on the right side.
What are the two most common elements in the universe?
The most common is hydrogen followed by helium
What element does every living thing have?
Carbon (C)
What did greek thinkers suggest were the four elements?
Air, water, fire and earth
Who made the first phosphorus?
Hennig Brandt
What does -ate represent in a chemical symbol compound?
It means there’s oxygen in it
How do you end a chemical symbol for a compound?
-ide
What are atoms
They’re the smallest particle of an element
Does every element have it’s own atom?
Yes
Does one atom have the properties of an element?
For the most part, no.
What is a compound?
A compund is a substance made up of two or more elements joined together
What is a molecule?
It is a particle made of two or more atoms of the same element strongly joined together
Between a metal and non-metal in a compound which element do you list first in it’s name?
The metal element
Mono-
One
Di-
Two
Tri-
Three
What are mixtures?
They’re the combination of two or more substances not joined together.
What is a solvent?
It’s the liquid a substance dissolves in
What is a solution?
It’s the mixture that forms when a substance dissolves in a liquid
What is a solute?
It’s the substance that dissolves in a liquid
Table Salt
NaCl
Symptoms of iron deficiency
Tiredness and shortness of breath
Symptoms of calcium deficiency
Weak bones and frequent fractures
