What element has two electrons in its fourD sub level

What is a material that contains three elements joined in a fixed proportion

During pre-clinical research, a starting lead compound usually requires optimization of one or more of its properties.

Container A (with volume 1.23 L) contains a gas under 3.24 atm of pressure. Container B (with volume 0.93 L) contains a gas under 2.82 atm of pressure. ContainerC (with volume 1.42 L) contains a gas under 1.21. atm of pressure.

Which of the following best describes technology A. Something created for only scientists to use B. the method of thinking that scientists use. C. the application of engineering to create useful products. C. A scientific idea

If two atoms have a nucleus containing the same number of protons but a different number of neutrons, what is true? they are different isotopes of different elements. they are different elements but the same isotope.

Which should be more viscous, polar or non polar

The function of a specific enzyme is most directly influenced by its

Explain why the atomic mass of an element is usually not given as a whole number even though each individual atom of the element has a whole number of protons and neutrons

A canister of acetylene has a volume of 42 L. The temperature of the acetylene is 305 K and the pressure is 780 torr. Determine the amount of gas in the canister

In terms of the scientific method, the purpose of an experiment is: form a hypothesis test a hypothesis form a conclusion develop data