Atomic Structure Flashcards
What charge do protons have?
Protons have a positive charge
What charge do neutrons have?
Neutrons have a neutral charge-they are not charged.
What charge do electrons have?
Electrons have a negative charge.
What is the atomic number equal too?
The number of protons
What is another name for the atomic number?
The proton number
How are elements arranged in the periodic table.
They are arranged in order of their atomic number
How do you know what the mass number is?
The mass number is the sum of the protons and neutrons in the nucleus of an atom
How many neutrons are in a atom if it’s atomic number is 9 and its mass number is 19?
There would be 10 neutrons
What is the nucleus of an atom made of?
Protons and neutrons