Scientists can learn about the chemical composition of stars by analyzing the light they transmit true or false?

Explain how the size and shape of particles affect the attraction between them.

An atom of Calcium has 2 valence electrons and an atom of sulfur has 6 valence electrons. How many lone pairs of electrons are present in the Lewis structure of Calcium Sulfide?

How do you know the difference between balanced and unbalanced chemical equations

What is the weight in grams of 3.36 * 1023 molecules of copper sulfate (CuSO4) ?

Which of the following is a hypothesis that you could form about how soil acidity affects the growth of blueberries? O A. Blueberry plants grown in acidic soil can become 10 cm taller than those grown in basic soil. O B.

Which is the most practical argument for the continued funding of space exploration? a) Space exploration will one day show whether life exists on other planets in star systems similar to ours.

33 protons 36 electrons 45 neutrons

The periodic table includes all of the known elements in the world. how are elements arranged on the periodic table?

The pOH of a solution is 13.28. What is the [OH]

If you can choose any animal in the world to be, what animal would you choose. (I'd be a wolf or a dog, mostly a wolf)