Atomic Structure
The basic building blocks of matter.
What is an atom?
Cannot be chemically broken down into a simpler substance.
What is an element?
Elements CAN or CANNOT be changed into simpler substances?
What is cannot?
A mixture is a combination of two or more substances mixed but not __________ combined.
What is chemically?
This nonmetal is very reactive because it has only one electron
What is Hydrogen?
The number of subatomic particles that make up an atom.
What is 3 subatomic particles?
A physical combination of two or more substances.
What is mixture?
A compound is 2 or more elements _________ combined.
What is chemically?
The parts of the mixture that are visible to the naked eye.
What is a heterogenous mixture?
Elements that have properties of both metals and nonmetals.
What are metalloids?
-1
What is the charge of an electron?
A chemical combination of two or more substances.
What is a compound?
Conduct heat and electricity poorly
What is nonmetals?
Uniform distribution
What is a homogenous mixture?
Which is NOT a physical or chemical change? Crushing, Weighing, Melting, Passing electric currents
Mass number - atomic number
What is the number of neutrons?
Oxygen
What is an element?
Boron (B), Arsenic (As), Silicon (Si), Antimony (Sb), Polonium (Po), Tellurium (Te), Germanium (Ge),
What are Metalloids?
A substance that dissolves in another substance is said to be _____________?
What is soluble?
Water is able to form drops, which stick to each other because of this property?
What is cohesion?
There are 111 electrons.
What is Roentgenium (Rg)?
C6H12O6
What is a compound?
Compounds CAN or CANNOT be broken down into simpler substances?
What is can?
______ is the substance that does the dissolving.
What is solvent?
Most elements occur naturally in nature; however, a few are man-made meaning they are?
What is synthetic?