If an atom has 12 protons and 15 neutrons, what is its isotope name? (Format for name: Element name-Mass)
Magnesium - 27
What is the definition of an isotope?
An atom with an atomic mass that is different than what is given on the Periodic Table.
How does an atom become positively charged?
It loses an electron.
What particle has a positive charge?
Proton
If an element has 20 protons, 20 electrons, and 20 neutrons, What is its ATOMIC NUMBER?
20 Atomic Number = Number of Protons
An ion does not have the same amount of _______ and ________.
What is protons & electrons?
What particle has no charge?
Neutron
If an Arsenic (As) isotope has a mass of 85 and has 33 protons, how many neutrons does it have?
What is 52 neutrons?
When an atom gains an electron, it gains a ____charge
What is negative?
If Bromine (Br) isotope has 35 protons and 45 neutrons, what is its atomic mass?
BONUS: Is this an isotope, or the most common mass?
Mass = 80
BONUS: This is the most common form!
When an atom loses an electron, it gains a ____ charge
What is positive?
What subatomic particle is not inside the nucleus?
Electron
Carbon (C) has 6 protons and 7 neutrons, how would you write this isotope? (Format: Symbol - mass)
What is C-13
A sodium (Na) atom has 11 protons and 10 electrons. What is the charge of this atom?
+1