If an atom gains two electrons in a chemical reaction, what is its charge?

a

Question 4 options:

-2

-1

+2

+1

A test rocket is launched vertically from ground level (y = 0 m), at time t = 0.0 s. The rocket engine provides constant upward acceleration during the burn phase.

In case you need them. It is always a good idea to bring along extra

Which is most likely an example of pseudoscience? A doctor's study shows that insulin released constantly in the body regulated blood sugar better than injected insulin.

How could you show that sound travels through water?

What is the length of the x-component of the vector shown below? A. 65.8 B. 90.6 C. 112 D. 33.2

The cost, density and resistivity of copper, steel and aluminium

How do the charges compare when two objects are charged through friction? The objects become oppositely charged and have equal amounts of charge. The objects become positively charged and have equal amounts of charge.

Potential energy and kinetic energy are forms of what kind of energy? 1. chemical 2. nuclear 3. electromagnetic 4. heat 5. mechanical

Which element has the greatest number of valence electrons available for bonding?

A sailboat starts from rest and accelerates at a rate of 0.13 m/s2 over a distance of 458 m. (a) Find the magnitude of the boat's final velocity. m/s (b) Find the time it takes the boat to travel this distance. s