12 + 1

C

6

How many protons, electrons, and neutrons are there

Find potassium in the periodic table and predict how many valence electrons it has

How does the momentum of a dog and a horse, which are both running at the same velocity, compare?

Find the number of atoms of lead in 30.04 moles of leads

What's a controlled experiment

Does the law of inertia apply to both moving and non-moving objects

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

Read the scientific question below. "Does sunlight make plants live?" What is a likely hypothesis for the question?

A chemist is using a solution of HNO3 that has a pH of 3.75. What is [H+] for the solution?