C1.1 Flashcards
All atoms of a particular element have an equal number of what?
Protons and electrons
What do all atoms of a particular element have the same number of?
Protons
What is the mass number?
The total number of protons and neutrons in the atom
What is the atomic number?
The number of protons in the atom
In any stable atom, the number of protons is the same as the number of what?
Electrons
Metal + oxygen ->
Metal oxide
Metal + water ->
Metal hydroxide + hydrogen
Alkali metals are very…
Reactive
The noble gases are very…
Stable and unreactive
Ionic bonding involves…
A metal and non-metal
What’s an an atom called after being ionicly bonded?
An ion
In ionic bonding, if an atom gives 1 electron away, what is its charge after?
+1
In ionic bonding, what charge does the metal and non-metal become?
Metals get positive charges, non-metals get negative charges
Simple molecular compounds and giant covalent structures are produced by which bond?
The covalent bond
Is the covalent bond between atoms very strong or very weak?
Very strong
