How many nanometers are in 558 cm? 

Using the conversion factors below, how many sim would 2.89 haha have?   2 bot  =  3 vid  9 vid  =  1 sim  4 bot  =  6 haha   

Determine if the following statements are True or False.  Elements can never exist naturally in the form of molecules. [1] All compounds are molecules [2] All molecules are compounds [3]   

How many significant figures would the solution to the following problem have?    

Determine if the following statements are True or False.  All compounds are molecules [1] All molecules are compounds [2] Elements can never exist naturally in the form of molecules.  [3]

A researcher looking for new elements found one that she plans to name vanillaium (Va).  The element information to be added to the periodic table is provided below, using this information how many atoms of Va would 134.2  g contain?   

How would the value of 0.00212 mL be represented in scientific notation?  

Determine if the following statements are True or False.  All molecules are compounds [1] Elements can never exist naturally in the form of molecules. [2] All compounds are molecules [3]

1.造句 make a sentence： 凤毛麟角： 胡思乱想： 无微不至： 无师自通： 安然无恙：

a. 我们不能容忍这种害群之马继续破坏公司的团结。 b. 米兰：“你是不是觉得我特笨，是不是太胖了?”   马小军：“你ya够肥的。”   米兰：“什么？”   马小军：“是哎呀的呀，不是你丫的丫。”   马兰：“哼，狗嘴里吐不出象牙来。” c. 这帮孩子整天游手好闲，不学无术。 d. 我学了九年钢琴，但后来不学了，我妈妈说我前功尽弃。