The Atom
What is the building block of everything.
What is an atom?
This is the only element that does NOT have a neutron.
What is Hydrogen?
The ability to do work or cause a change.
This state of matter has specific volume and shape.
What is a solid?
The starting materials in a chemical reaction.
What are reactants?
The core of an atom where most of the mass of an atom exists.
What is the nucleus?
Groups in the periodic table are arranged by this.
What are chemical properties?
When atoms are combined, this is broken and new ones are formed.
What are chemical bonds.
This state of matter has specific volume but NO specific shape.
What is a liquid.
The new substances formed after the reaction.
What are products?
Negatively charged subatomic particles that orbit the atom.
What are electrons?
The total number of electrons ALL atoms can hold in their first shell.
What is two?
When two or more atoms are joined together.
What are molecules?
A change from one state of matter to another.
What is phase change?
Burning, Rusting, Baking, Photosynthesis are all examples of this.
What is a chemical reaction?
The number of protons in the nucleus of an atom.
What is the atomic number?
The outermost electrons of an atom.
What are valence electrons.
When one atom gives another atom one or more electrons permanently.
What is ionic bonding?
What is boiling?
When a substance goes from a liquid to a gas?
The arrow's name in a chemical reaction.
What is yield?
A pure substance that cannot be broken down into simpler substances by chemical reactions.
What are elements?
This is another name for all of the shells in an atom where the electrons orbit.
What is the electron cloud?
A chemical link between two atoms when they share an electron.
What is a covalent bond?
The ____ thermal energy something has the ____ kinetic energy it has.
What is more or less.
When two liquids form a solid.
What is a precipitate?