How many additional valence electrons does fluorine need to have a full

valence shell?

A. One

B. Two

C. Eight

D. Seven

How does a parallel circuit change when a branch is added? 1. The total resistance increases, so the current in the circuit decreases. 2. The total resistance decreases, so the current in the circuit increases. 3.

What are fossil fuels made from? radioactive material harmful poisons organic material non-organic material

Compare and contrast two physical properties of apples and oranges

Mary Sue is making caramel ice cream. In the first part of the process, she combines a cup of sugar and a cup of water in a saucepan. She cooks the mixture over medium heat until the sugar melts and browns to a light amber color.

What property is primarily responsible for determining the type of electromagnetic energy and peak wavelength emitted by a star such as the Sun?

Which statement best describes the effect of scientific advances on society? A. They always have a positive impact on society. B. They are inspired by the needs of society. C. they do not affect society beyond the community level. D.

Which is the best example of reusing? repairing a stove instead of buying a new one wearing a pair of pants made from cotton buying a toy packaged in paper instead of plastic placing a glass bottle in the recycling bin

The sunlight hits the surface of a lake this will like caused a. condensation b. transpiration c. evaporation d. sublimation

The development of the cell theory was mostly directly related to the

Choose the term that best completes the sentence. A way of grouping organisms based on the characteristics they share is The science of naming and classifying organisms is called A two-word system for naming organisms in which the first part is the