Which of the following are true about the element carbon? It can only form four bonds. It can form more than four bonds. It can link to other carbon atoms in long chains. It is the main component of charcoal.

How would these cells appear under a microscope at a higher magnification.

Astrology is a pseudoscience because: A. it needs to be tested more before it can be a real science. B. it claims to be, but is not, a science. C. it is a controversial science. D. it is a new and unproven science.

What chemicals are produced when you mix HC1 (aq) and KOH (aq) ? Nothing. There is no reaction. a. O b. NaOH and water. O c. CO2 and water O d. Water and KCl

What is meant by the term concentration?

Calculate the mass/volume percent (m/v) of 13.0 g nacl in 49.5 ml of solution.

During a nuclear reaction, mass is converted into (1) charge (2) energy (3) isomers (4) volume

The temperature reading of - 14°C corresponds to a Kelvin reading of: -287 K. 287 K. 297.6 K 259 K.

If element X consists of 64.6% of atoms with a mass of 34.0 u, 18.2% of atoms with a mass of 35.0 u, and 17.2% of atoms with a mass of 36.0 u, what is the average atomic mass of element X to the nearest hundredth?

Water has a K, value of 1x 10-13 1x 10-10 1x 10-15 1x 10-14

What evidence do scientists use to explain how the solar system formed? A) All the planets were a result of solar flares from the sun. B) All the planets are made of the same material, mainly helium.