It has 4 significant figures. If you see the Zero after the one decimal point you don’t count that and instead just started at 6
Answer:
The number of neutrons is entirely dependent on the Mass number of the particular atom. The standard mass for potassium is 39.
Potassium is element number 19, so it has 19 protons and 19 electrons in the neutral atom. It has therefore 39-19 = 20 Neutrons.
Explanation:
Answer:
75g and I no inglish I my espanish perfec
Explanation:
Answer:
1 product is made. The left overs are 1 piece of bread and 1 slice of cheese
Explanation:
Divide the number of molecules N by avogadro's constant.
Let n be the number of moles then,
Hope this helps.
