Abundant Elements

Abundant Elements
What does abundant mean?
A lot of
or
a great quantity
The basket has an
abundant supply of
fruit.
Water, which has the formula H2O .
Which element is most abundant in
water?
H 2O
When counting the number of atoms,
hydrogen is the most abundant element
in water.
Humans are mainly made up of
what compound?
Water, which has the
formula H2
.
O
16
Find the mass of oxygen ______
1
Find the mass of hydrogen ______
Total mass of oxygen is
16 compared to 2 for
hydrogen.
By mass, humans are mainly
made of the element oxygen.
By number of atoms, we would be made up
mainly of hydrogen.
The Earth’s crust is mainly made of
oxygen, looking at mass.
Our air….
The most abundant element in our
air is
NITROGEN!