How can hypotheses best be tested?

O by asking questions

O through experimentation

O by forming an opinion

O through technology

1: The atomic number of an atom is equivalent to which of the following? A. the number of protons plus the number of neutrons in the nucleus B. the number of electrons outside the nucleus C. the number of protons in the nucleus D.

How many electrons can be held in the innermost energy level of atoms

Which atoms make up the ring in the cyclic form of glucose? A) 5 carbon atoms B) 5 carbon atoms and 1 oxygen atom C) 4 carbon atoms and 4 oxygen atoms D) 6 carbon atoms

What is physical change in chemistry?

Did the valence electron theory apply on the compound SO3? Explain (S = 16 O = 8)

Potassium ions (k+) have a positive charge. What happens to a potassium atom electrons when it becomes an ion

At what pH do you think acids become too dangerous to touch? Basis? Explain your answers.

How do endothermic processes differ from exothermic processes

Before a race, an athlete warms up by jogging around the track shown below at a constant rate of 2.3 m/s. What statement best describes his motion as he jogs around the curved part of the track?

What physical property is changed when a waitress pours coffee from a pot into four mugs? temperature density volume color