To find<span> the </span>valence electrons in an atom<span>, identify what group the element is in. An element in group 1A has 1 </span>valence electron<span>. For example, Li is in group 1A, so that means it has one </span>valence electron. If the element is in group 2A, then it has two valence electrons<span>.</span>
Answer:
The purpose of this lab is to determine the identity of an unknown liquid by measuring its density, melting point, boiling point, and solubility in both water and alcohol, and then comparing the results to the values for the known substance. Hope this helps!! :)
<span>None. Since it is dominant, both would have to show it to pass in on.</span>
Answer:
1. 3CaCrO4
2. 6
3. 3
Explanation:
1. Reactans on left side, products on right side
2. 3 x 2
3. 3
It's true that the substance is contain 75% carbon and 25% H