An atom has 27 protons and 22 neutrons. what is the chemical symbol for the atom

If 0.274 moles of a substance weighs 62.5 g, what is the molar mass of the substance, in units of g/mol?

The study of chemicals that, in general, do not contain carbon is traditionally called what type of chemistry? a. inorganic c. physical b. bio d. analytical

8/12A) Horace has a comparative advantage in both tasks. B) Tammi has a comparative advantage in both tasks. C) Horace has a comparative advantage in grooming dogs and Tammi in bathing cats.

In the Haber process, ammonia is formed as the reaction moves in which direction?

What's the Independent variable, The dependent variable, The constant for my project "Does Nail Polish affect the growth of nails" my materials are Nail polish, ruler, fingers

Consider the two electron arrangements for neutral atoms A and B. Are atoms A and B the same element? A - 1s2, 2s2, 2p6, 3s1 B - 1s2, 2s2, 2p6, 5s1 yes or no

Match the following terms to their correct examples Conduction Convection Radiation Water warming on a stove The sun warming the earth A spoon resting in a cup of tea gets hot

Why are 3 ammonium groups needed for every 1 nitride ion?

How do you explain the relativity high conductivity of tap water compared to a low or zero conductivity for distilled water

According to Newtons's first law, which characteristic of a moving object would remain constant if there were no other force of acting of it? A. Size B. Mass C. Shape D. Speed