If element x has 89 protons, how many electrons does it have?

The radius of a copper (Cu) atom is roughly 1.3 * 10-10 m. How many times can you divide evenly a 223.

What happens to the motion of molecules in a substance is cooled?

A laboratory analysis of an unknown sample yields 74.0% carbon, 7.4% hydrogen, 8.6% nitrogen, and 10.0% oxygen.

What is it called when particles travel from an area of high consentration to an area of low consentration?

Photosynthesis produces movement in plants converts light energy from the sun to chemical energy stored in glucose converts chemical energy into food that can be eaten by the plant is responsible for converting oxygen into carbon dioxide

What is the element Ar classified as in the periodic table?

Two objects, one heavy and one light, travel at one of two speeds. Which will have the most inertia?

Which statements correctly describe water boiling in a pot? Air bubbles from the atmosphere are being absorbed. The water's internal kinetic energy is increasing. The water is gaining internal potential energy. The water's temperature is increasing.

Biofuel is any fuel that is produced from living or once living matter in a short period of time, days, weeks, or even months.

How are revolution and year related