2. Which atom will be the Central Atom in the following molecules?

CO2

NO3-

COCl2

PF5
3. Indicate if the following compounds will have Polar Covalent bonds.

HCl

CH4

H2O

CO

C4H10

CCl4

98 ! and brainliest plz ! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

Ineed ! i have no clue how to do this problem.

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: