An element's atomic number is 55. How many protons would an atom of this element have?

What are the two measurements necessary for calculating average speed?

Adolescents require fewer hours of physical activity than adults.

In a gasoline engine,__ energy is converted into kinetic energy. is it thermal?

What does is the Multiverse Theory?

A wave has a frequency of 20 Hz and a wave speed of 5.0 m/s. what is the wave length 0.01 m 0.25 m 100 m 4.0 m

What is the displacement and distance if I walk 8 blocks north, 9 blocks west and 10 blocks south

What investigations provide large amounts of information about a wide range of variables.

Why would Sodium (Na) and Chlorine (CI) want to form a lonic Bond? -to achieve a full inner valence shell -to achieve a equal amount of protons & electrons in their nucleus -to achieve an stable amount of protons & neutrons in their nucleus -to

A digital thermometer reads 15 degrees Celsius, what is the uncertainty?

Determine the magnitude of the effective value of g⃗ at a latitude of 60 ∘ on the earth. assume the earth is a rotating sphere.