The element symbol for
hydrogen is
H
Correct: move ahead 1 space
Wrong: Go back 1 space
The element symbol for
carbon is
C
Correct: move ahead 1 space
Wrong: Go back 1 space
The element symbol for
lithium is
Li
Correct: move ahead 1 space
Wrong: Go back 1 space
The second most abundant
element in the Universe is
He
Correct: move ahead 1 space
Wrong: Go back 1 space
The element symbol for
nitrogen is
N
Correct: move ahead 1 space
Wrong: Go back 1 space
The element symbol for
oxygen is
O
Correct: move ahead 1 space
Wrong: Go back 1 space
The element symbol for lead is
Pb
Correct: move ahead 1 space
Wrong: Go back 1 space
Ne is the element symbol for
Neon
Correct: move ahead 1 space
Wrong: Go back 1 space
Ca is the element symbol for
calcium
Correct: move ahead 1 space
Wrong: Go back 1 space
The element symbol for
uranium is
U
Correct: move ahead 1 space
Wrong: Go back 1 space
Mg is the element symbol for
Magnesium
Correct: move ahead 1 space
Wrong: Go back 1 space
Na is the element symbol for
Sodium
Correct: move ahead 1 space
Wrong: Go back 1 space
The most abundant element in
the body by mass is
Oxygen
Correct: move ahead 1 space
Wrong: Go back 1 space
A substance composed entirely
of atoms with identical atomic
numbers is called an
element
Correct: move ahead 1 space
Wrong: Go back 1 space
The three elements that are
found in the human body in the
greatest quantity are
H, O, C
Correct: move ahead 2 space
Wrong: stay where you are
The most abundant element in
the body by # of atoms is
Hydrogen
Correct: move ahead 1 space
Wrong: Go back 1 space
A tiny, chemically indivisible
particle made up of protons,
electrons and sometimes
neutrons.
Atom
Correct: move ahead 1 space
Wrong: Go back 1 space
The most abundant element in
the universe is --
H
Correct: move ahead 1 space
Wrong: Go back 1 space
In C12 , the 12 refers to what --
Mass number
Correct: move ahead 1 space
Wrong: Go back 1 space
An isotope of an element is
determined by its number of
neutrons
Correct: move ahead 1 space
Wrong: Go back 1 space
The second m