atomic structure
What subatomic particle has a postive charge
proton
What family is in group 18
what bonds form when electrons are shared
covalent bonding
what unit is used to measure an amount of something
mole
what pH number is neutral
7
How to calculate the mass number
protons+neutrons
which direction does atomic radius increase
down and left
What bonds form between nonmetals and metals
Ionic
How much is in 1 mole
6.02x 10^23
what ions do acids produce in H2O
H+
what does the atomic number equal to
# of protons
which family is the most reactive metals
Alkali metals
What type of bond is it when its between 2 metals
metalic bond
whats the molar mass of water
18 mol
What ions do bases produce in H2O
OH-
An atom has 50 protons 50 electrons and 75 neutrons, what is the mass number?
125
What happens to electronegativity across a period
increases
How many valence electrons does carbon have
4
what law states that mass cannot be created or destroyed
Law of conservation of mass
What is the pH range of acids
less than 7
3 primary subatomic particles and their charges
Protons(positive), Neutrons(neutral), electrons (negative)
why are noble gases unreactive
full electron shells
What is polar covalent
unequal sharing of electrons between different nonmetals
how many moles are in 36g of H2O
2 mol
what happens during neutralization
Acid+ Base = Water+ Salt