Periodic Table
The Periodic Table is organized by the number of ________
protons
The inner part of an atom that contains the proton and the neutron is called the __________.
Nucleus
The mass is the sum of what two sub-atomic particles
Protons and Neutrons
This is anything that takes up space (has a mass).
matter
Atomic numbers of an atom are the same as the number of what in an atom?
protons
The number above the symbol is the ________
These particles have a positive charge and are found inside the nucleus.
proton
Atomic masses are measured in what?
AMU
The smallest pieces of matter are called __________.
atoms
Carbon's atomic number is _______.
6
The number below is symbol is the _______
atomic mass
These particles are located within the nucleus, and have no charge.
Neutron
A proton has the atomic mass of what?
1
What are the units used to measure Mass for all objects except atoms
Grams
What element has a number of 56?
barium
Go up and down and explain the chemical properties or reactivity of the elements
Groups or Family
These particles are negatively charge and are found outside the nucleus.
electrons
A neutron has the atomic mass of what?
1
The amount of space matter takes up is called what?
volume
Why does hydrogen have an atomic number of 1?
because it only has one proton
Go horizontal and tell us the number of energy shields or levels
Period
Most of the mass of an atom is located here.
nucleus
Electrons are counted in the calculation of Atomic Mass. T/F
False
What is the density of an object with the mass of 100g and the volume of 25cm3
4 g/cm3
Some atoms have more ___________, which gives it a negative charge
electrons