Atoms
Identifies the atom.
What is the atomic number?
The horizontal rows on the periodic table.
What are periods?
A pure substance that can be found on the periodic table.
What is an element?
Hydrogen's chemical symbol.
What is H?
The number of Hydrogen atoms in H2O.
What is 2?
The subatomic particles of an atom.
What are electrons, protons, and neutrons?
The groups on the periodic table can also be called this.
What are families?
NaCl and H2O are examples of this category of matter.
What is a compound?
Sodium's chemical symbol.
What is Na?
The number of NaCl molecules in 15NaCl.
What are 15?
The positive charged particle in an atom.
What is a proton?
The most reactive group of elements on the periodic table.
What are group 1 alkali metals?
Chocolate milk is an example of this type of matter.
What is a mixture?
Gold's chemical symbol.
What is Au?
The number of Aluminum atoms in 2 Al(CO2)3.
What is 2?
The current model of the atom.
What is the electron cloud model?
This category of elements borders the zigzig line on the periodic table.
What are metalloids?
The common name for NaCl.
What is table salt?
Potassium's chemical symbol.
What is K?
How many hydrogen atoms are in 2C8H18?
What is 36?
The space in an atom that houses the protons and neutrons.
What is the nucleus?
This group of elements has a full shell of 8 valence electrons.
What are group 18 Noble Gases?
This category of matter is the only that can be seperated by physical means.
What are mixtures?
Lead's chemical symbol.
What is Pb?
The number of Oxygen atoms in 3 B2(CO3)3
What is 27?