Which elements are in the same group of the periodic table?

A. Ca, Na, Rb, Sr

B. Al, Ar, Cl, S

C. Au, Hg, Pb, Pt

D. As, Bi, P, Sb

At STP which element is brittle and not a conductor of electricity

Why is cell division And mitosis important

Convert 1.79 * 1024 atoms of carbon to moles of carbon.

The specific volume of a substance is the volume per gram of substance. Specific volume is an example of A. A physical extensive property B. A chemical extensive property C. a chemical intensive property D. a physical, intensive property

If ATP is hydrolyzed in a test tube, which of the following effects indicates that the reaction is exergonic? A) Release of energy drops the temperature in the test tube. B) Release of energy has no effect on the surroundings.

What compares a law and a theory?

Explain what domain would best be represented by the "?" in the diagram. A) Eukarya because the organisms are all eukaryotic. B) Eukarya because the organisms are all prokaryotic. C) Bacteria because some of the organisms are autotrophs.

If you are eating a hamburger, it is an example of a consumer eating another consumer. a) true b) false

What mass of NaNO3 is needed to make 3.5 L of 2.2 M solution? (Na = 23.0g, N=14.0g, O=16.0g) Explain in steps

In which group do all atoms have seven valence electrons in the ground state?