4. When referring to the element phosphorus on the periodic table

osphorus on the periodic table, the number 15 represents

A. energy level.

B. atomic weight.

C. atomic number.

D number of atoms.

What should you do when approaching a low-head dam in a canoe or kayak?

2 cups of the same side are filled to the brim with clear liquids cup a hold water cup be contains alcohol your teacher challenges you to figure out which cup How to water because of your grade science knowledge you know that all substances have

What kind of small object composes much of the universe? A. Atoms B. Carbon dioxide C. Dark Matter D. Anti - matter

About electromagnetism?

Which of the following is ignored when determining the relative mass of atoms? protons nucleus electrons. neutrons

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.

What characteristic of a planet determines the acceleration due to gravity on it?