An atom has atomic number 5 and mass number 11. How many protons does the atom have

A 2.0 mL sample of HCI (g) is mixed with a 1.5 mL of NH3 (g). What is the volume if the resulting mixture after the reaction is complete?

A solution with low Ph values feels like what? a) slippery b) Taste Sour c) have an - OH group d) turns litmus paper blue

How do tissues replenish the cells contained within them?

Explain how the processes in the water cycle work together to maintain a constant amount of water on Earth.

What is the balance equation of sodium sulfate and magnesium phosphate react to form sodium phosphate and magnesium sulfate?

Ammonia (nh3 (g), hf = - 46.19 kj/mol) reacts with hydrogen chloride (hcl (g), hf = - 92.30 kj/mol) to form ammonium chloride (nh4cl (s), hf = - 314.4 kj/mol) according to this equation:

How does an electromagnet create a magnetic field

Magnetism, reactivity, and fluorescence are three special properties used to identify minerals. true or false

Which of these molecules is least likely to form a hydrogen bond with a water molecule

George is writing an essay about the role of observation and inference in the development of the atomic theory. He wants to explain why it was more difficult to observe the presence of neutrons in atoms.