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

a

Question 4 options:

a.-2

b.-1

c.+2

d.+1

Explain which property of sound waves allows you to hear someone laughing or talking from another room.

A 70kg person travels to a planet where he weighs 1750 N. What is the value of g on the that planet?

Which statement is the best example of pseudoscience?

How would the absence of gravity affect the formation of planets? (A) The rocks and debris would take longer to accrete into a planet. (B) The rocks and debris would never accrete into a planet.

What is the value of the normal force if the coefficient of kinetic friction is 0.22 and the kinetic frictional force is 40 newtons?

When titanium bonds with oxygen, the ionic compound that forms has the chemical formula Ti2O3 and consists of Ti3 + ions and O2 - ions. Explain why the compound has this chemical formula.

If the weather becomes stormy for a short time and then becomes colder which type of front has most likely passed

True or false the molecular formula for ibuprofen is the same as the empirical formula

a car moves from a to b at a speed of 50km per hr and comes back from b to a at a speed of 30km per hour. find its average speed during the journey

In which of the following can you not find plasma