What are two ways that organisms gather information about the environment

Read the false statement. Atoms of elements with one valence electron form anions in order to meet the octet rule. Which answer choice rewords the false statement so it is true? a.

which of the following can be deduced from the periodic table? a. many physical properties of elements. b. distribution of various isotopes. c. time of discovery. d. age of a sample of elements

According to periodic properties, what would be the most likely formula for the product obtained when Lv reacts with H2 (g) ?

I have very good ability to conduct electricity. I am never found alorie in nature. When I combine with other elements, I usually give up my one valence electron. I am the only element in my group with a one-letter symbol.

Identify 3 physical changes that could occur with a sheet of paper

Dominic and Eva are using the same type of stopwatches to measure the time it takes for a chemical reaction to occur. They each use the same stopwatch to measure the time.

An electronic circuit element consists of 23 mg of silicon. An electric current through the circuit adds heat at a rate of 7.4 x 10-3 J/s.

If an object sinks in water it's density is less than that of water true or false

What is the main link between water in the oceans and on land

Which of the following pairs lists a substance that can neutralize H2SO4 and the salt that would be produced from the reaction? CaOH2 and Ca (SO4) 2 LiOH and Li2SO4 NH4 and NH4SO4 NH3 and (NH3) 2SO4