Vocabulary
The smallest unit of an element
What is an atom?
This particle has a positive charge
What is a proton?
This atom has an atomic number of 1
What is Hydrogen?
0.0034 is in this form (Scientific notation or decimal form?
What is decimal form?
The SI Unit for time
What is seconds?
A pure substance composed of the same type of atom
What is an element?
This particle has a negative charge
What is an electron?
This element has an atomic mass of 20.180
What is Neon?
6.02*10^23 is in this form
What is scientific notation?
The SI Unit for distance
What is meters?
An atom with the same number of protons but a different number of neutrons
What is an isotope?
This particle is neutral
What is a neutron?
This atom has two neutrons and two protons
What is Helium?
Put 0.00078 in scientific notation
What is 7.8*10^-4
The SI unit for thermodynamic temperature
What is Kelvin?
An atom with the same number of protons, but a different number of electrons
What is an ion?
These particles contribute to the mass of an atom
A neutral atom has 13 protons, state the number of electrons that it has
What is 13?
Put 0.00000093 in scientific notation
9.3*10^-7
The derived unit area is measured in
What is meters squared?
What is atomic mass?
These particles contribute to the charge of an atom
What are electrons and protons?
Sodium has an atomic number of 11 and a mass number of 23. State the number of neutrons
What is 12?
Put 56,000,000 in scientific notation
What is 5.6*10^7?
The derived unit velocity is measured in
meters/ second