Atoms are composed of these 3 subatomic particles?
What is protons, neutrons, and electrons?
Substance made up of only one kind of atom.
What is an element?
Two hydrogen atoms and one oxygen atom make up one molecule of this.
What is one molecule of water?
Of these 3, Carbon (C), Hydrogen (H) or NaCl
which one is a compound?
What is NaCl?
How many atoms of oxygen are in CO2?
What is 2?
The chemical symbol for water.
What is H2O?
What does the 1.00794 stand for?
What is the atomic mass?
How many atoms of carbon are in CO2?
What is 1?
The 2 in the chemical formula H2O means this.
What is two atoms of hydrogen?
How many protons are in Beryllium? 
What is 4?
Particles with a negative charge.
What are the electrons?
What is the difference between an element and a compound?
Elements can NOT be broken down. A compound can be chemically broken apart.
What is the chemical symbol for Lithium? 
What is Li?
These are located in the nucleus of an atom.
What are the protons and neutrons?
The number of hyrogen atoms in a molecule of H2.
What is two?
The definition of a molecule.
What is a particle that contains more than one atom joined together?
What is the compound NaCl?
What is salt?
Elements are usually given one or two letters these are known as what?
What is a chemical symbol?
How many hydrogen atoms are in H2O?
What is 2?
118.
What are the number of elements on the periodic table?
I have 2 or more atoms chemically bonded together My atoms can be the same or different. What am I?
What is a molecule?
Carbon dioxide is made of carbon and oxygen so it is ..
What does Label D point to?
What is the energy level?
What part is Label C of the Atom? 
What is the neutron?
Particles in an atom that are neutral and have no charge are called what?
What are neutrons?
These particles orbit around the nucleus of an atom. What are they called?
What are electrons?
How many different ELEMENTS are in C2He2Cl
What is 3?
What do you call Label F on the element block?
What is the element name?
What part is Label A of the Atom? 
What is the nucleus?
The particles that are found in the nucleus of an atom are called what?
What are protons and neutrons?
How do you calculate the number of neutrons?
What is mass number (-) minus atomic number?
Substances that have only one kind of atom are called what?
What are elements?
What do you call Label G on the Element Block?

What is the atomic number?