Show:
Atoms
elements
periodic table
100
Protrons, Electrons, and Neutrons
What makes up an atom.
100
Heluium
What does (He) stand for.
100
any of a group of elements that conducts heat and electricity, and is shiny and bendable.
What is a metal?
200
The total of distance traveled by the amount of time.
What is an atomic number?
200
A substance that cannot be broken down any further into anything simpler.and i will check your answer.
What is an element and name 1 or 2 of them.
200
any of the elements with properties that are basically the opposite of metals.
What is a nonmetal
300
An atom's dense center, where most of its mass is.
What is a nucleus?
300
carbon.
What does C stand for?
400
is the sum of an atom's protrons and neutron's.
What is an atomic mass?
400
gold.
What does Au mean?
500
An Atom is the smallest particle of an element that has the same chemical properties of the element.
What is an Atom?
500
Hydrogen
What does H stand for?