Which section of elements in the periodic table are the best conductors of heat and electricity

A 2.25L balloon filled with gas is warmed from 249.6K to 309 K. What is the volume of the gas after it is heated?

How does the number of valence electrons for elements change across a period? The number decreases. The number increases. The number stays constant. The number increases and then decreases for noble gases

How does the molecular count support the idea of a nucleotide as a subunit

Which of the following correctly applies to a catalyst? a. They do not actually participate in the chemical reaction and therefore are unchanged at the end of the reaction. b.

What do all oxygen atoms have in common

When a soda can is dropped, it should not be immediately opened. Why? (A) The soda will squirt out because of decreased temperature. (B) The soda will squirt out because of increased temperature.

Explain the difference between layers and band.

A metal block has a mass of 122 grams and measures 2cm x 2cm x 4cm. What is the density of the block?

What are valency and radicals

Tell me some bad effects of Ethanol