Elements
Atoms
Counting Atoms
Symbols
Periodic Table
100
How many elements are there?
What is 118
100
What is an atom?
What is a particle in which makes up everything, everything that is a solid, liquid, gas has atoms in it.
100
How many atoms of hydrogen
are in the compound?
What is 2.
100
What's the symbol for helium?
What is He.
100
The vertical columns on the periodic table are called?
What is groups.
200
The most abundant element in the body?
What is oxygen
200
What are atoms made of?
What is electrons, protons, and neutrons.
200
How many atoms of hydrogen are in?
What is 2.
200
What is the symbol for nitrogen?
What is N.
200
Todays periodic table is arranged by?
What is Atomic number.
300
The most abundant metal in the Earths crust?
What is aluminum.
300
What is an atoms electric charge?
What is 0.
300
How many total atoms are in H2C3O5N3
What is 13.
300
What is the symbol for iron?
What is Fe.
300
How many rows are in the periodic table?
What is seven rows?
400
The heaviest element that can be produced by fusion inside a star is?
What is iron.
400
How long do atoms last?
What is almost forever.
400
How many elements are in this compound, Mg2As3COHNi2?
What is 6.
400
What is the symbol for lead?
What is Pp.
400
What is the 13th group o the periodic table?
What is Boron group?
500
The first man made element was?
What is technetium.
500
The particles in an atom that are neutral and have no charges are?
What is neutrons.
500
What does the subscript in a chemical formula tell you?
What is how man atoms are present.
500
What is the symbol for Tin?
What is Sn.
500
How many families are o the periodic table?
What is 18 familes?