I'll give u $7 A scientist bends wires made of different metals to check their flexibility. Which of the following best justifies the type of change taking place?

Physical change because shape is a physical property.
Chemical change because shape is a physical property.
Physical change because flexibility is a chemical property.
Chemical change because flexibility is a chemical property.

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Helium decays to form lithium. which equation correctly describes this decay?