How many elements are in a period in which only the s and p sublevels are filled

If an element has 43 electrons, 56 neutrons, and 43 protons, what is its approximate atomic mass?

What are the products when anaerobic respiration occurs in yeast cells? Carbon dioxide, water, and energy Carbon dioxide, ethanol, and energy Lactic acid and energy Glucose, oxygen, and energy

How does a nuclear reaction differ from a chemical reaction? ch 302?

What is a common characteristic of the transitions elements?

A miner develops cancer of the esophagus. ten years later

Given the following chemical reaction: 2 O2 + CH4 CO2 + 2 H2O In the reaction of 6 moles of CH4 with excess oxygen, how many moles of water could be produced? 6 C 12.01 Carbon 1 H 1.01 Hydrogen 8 O 16.00 Oxygen A. 4 B. 6 C. 8 D. 12

Most mutagens have what kind of an effect on an organism?

According to the hess's law, the enthalpy of solution is: δhsoln = δhsolute + δhsolvent + δhmix. considering dissolving a small drop of nonpolar pentane oil in water which term (s) in the equation will experience the largest enthalpy change.

Solve for x: ln x = 0.863. Report your answer to 3 significant figures.

What water activities might be easier to do in Lake Assal's salty water? What activities could be more difficult?