idk just science
What is the mass of a proton?
1 AMU
What is the mass of a Neutron?
1 AMU
What is the mass of an electron
Zero
What type of charge does a proton have?
Positive
What type of charge does a Neutron have?
none
What type of charge does an electron have?
What is the importance of a proton?
determines atomic #
What is the importance of the neutron?
It holds the nucleolus together and keeps it stable
What is the importance of the electron?
How many shells have reactivity
Is a proton heavier than an electron?
Nope they weigh the same
Where are electrons located?
In the shell
Where are protons located?
In the nucleus of the atom
Where are the neutrons located in the atom>
In the nucleus of the atom
What are the building blocks of matter?
Atoms
Matter is defined as anything with?
Mass and volume (takes up space)
What is the Law of Conservation?
A mass cannot be created nor destroyed
What is a chemical change?
when substances combine to create a new substance or (a change in matter that creates a new substance)
What happens to substances during a chemical reaction
They rearrange to form a new one
the atomic mass is made up of?
protons and neutrons
Which subatomic particle weighs the least
What is the difference between a molecule and an element?
1. An element is the purest form of a substance
2. A molecule is two or more substances together
The atomic # tells you the number of what two things?
protons and electrons
How are new substances made?
when 2 reactants break their bonds to make new ones
To determine the number of neutrons what do you do?
You take the atomic number and subtract it by the atomic mass
What are the 4 types of equations?
synthesis, single replacement, double replacement, decomposition