There are 4 significant figures! Start counting after the first non-zero digit :)
Hope this helps.
Which has the highest electronegativity value?
A
hydrogen
B
calcium
C
helium
D
fluorine d because fluorine has a higher group number
Answer
B I’m pretty sure
Explanation
Answer:
5 million million atoms can fit at the end of a needle
Answer:
It changed from unsaturated to saturated solution
Explanation:
Before adding the spatula tip full amount, the solution was unsaturated, but as soon as the spatula tip full amount was added and couldn't dissolve, it became unsaturated because it could not dissolve any more solute having already dissolved it maximum number of solute
